Chapter CXXIV: Conclusion: Con*clu"sion, n. Etym: F., fr. L. conclusio. See Conclude (33)

DEVISABLE De*vis"a*ble, a. Etym: [From Devise.]

1. Capable of being devised, invented, or contrived.

2. Capable of being bequeathed, or given by will.

DEVISAL De*vis"al, n.

Defn: A devising. Whitney.

DEVISE De*vise", v. t. [imp. & p. p. Devised; p. pr. & vb. n. Devising.] Etym: [OF. deviser to distribute, regulate, direct, relate, F., to chat, fr. L. divisus divided, distributed, p. p. of dividere. See Divide, and cf. Device.]

1. To form in the mind by new combinations of ideas, new applications of principles, or new arrangement of parts; to formulate by thought; to contrive; to excogitate; to invent; to plan; to scheme; as, to devise an engine, a new mode of writing, a plan of defense, or an argument. To devise curious works. Ex. CCTV. 32. Devising schemes to realize his ambitious views. Bancroft.

2. To plan or scheme for; to purpose to obtain. For wisdom is most riches; fools therefore They are which fortunes do by vows devise. Spenser.

3. To say; to relate; to describe. [Obs.] Chaucer.

4. To imagine; to guess. [Obs.] Spenser.

5. (Law)

Defn: To give by will; -- used of real estate; formerly, also, of chattels.

Syn. -- To bequeath; invent; discover; contrive; excogitate; imagine; plan; scheme. See Bequeath.

DEVISE De*vise", v. i.

Defn: To form a scheme; to lay a plan; to contrive; to consider. I thought, devised, and Pallas heard my prayer. Pope.

Note: Devise was formerly followed by of; as, let us devise of ease. Spenser.

DEVISE De*vise", n. Etym: [OF. devise division, deliberation, wish, will, testament. See Device.]

1. The act of giving or disposing of real estate by will; -- sometimes improperly applied to a bequest of personal estate.

2. A will or testament, conveying real estate; the clause of a will making a gift of real property. Fines upon devises were still exacted. Bancroft.

3. Property devised, or given by will.

DEVISE De*vise", n.

Defn: Device. See Device. [Obs.]

DEVISEE Dev`i*see", n. (Law)

Defn: One to whom a devise is made, or real estate given by will.

DEVISER De*vis"er, n.

Defn: One who devises.

DEVISOR De*vis"or, n. (Law)

Defn: One who devises, or gives real estate by will; a testator; -- correlative to devisee.

DEVITABLE Dev"i*ta*ble, a. Etym: [L. devitare to avoid; de + vitare to shun, avoid.]

Defn: Avoidable. [Obs.]

DEVITALIZE De*vi"tal*ize, v. t.

Defn: To deprive of life or vitality. -- De*vi`tal*i*za"tion, n.

DEVITATION Dev`i*ta"tion, n. Etym: [L. devitatio.]

Defn: An avoiding or escaping; also, a warning. [Obs.] Bailey.

DEVITRIFICATION De*vit`ri*fi*ca"tion, n.

Defn: The act or process of devitrifying, or the state of being devitrified. Specifically, the conversion of molten glassy matter into a stony mass by slow cooling, the result being the formation of crystallites, microbites, etc., in the glassy base, which are then called devitrification products.

DEVITRIFY De*vit"ri*fy, v. t.

Defn: To deprive of glasslike character; to take away vitreous luster and transparency from.

DEVOCALIZE De*vo"cal*ize, v. t.

Defn: To make toneless; to deprive of vowel quality. -- De*vo`cal*i*za"tion, n. If we take a high vowel, such as (i) [= nearly i of bit], and devocalize it, we obtain a hiss which is quite distinct enough to stand for a weak (jh). H. Sweet.

DEVOCATION Dev`o*ca"tion, n. Etym: [L. devocare to call off or away; de + vocare to call.]

Defn: A calling off or away. [R.] Hallywell.

DEVOID De*void", v. t. Etym: [OE. devoiden to leave, OF. desvuidier, desvoidier, to empty out. See Void.]

Defn: To empty out; to remove.

DEVOID De*void", a. Etym: [See Devoid, v. t.]

1. Void; empty; vacant. [Obs.] Spenser.

2. Destitute; not in possession; -- with of; as, devoid of sense; devoid of pity or of pride.

DEVOIR De*voir", n. Etym: [F., fr. L. debere to owe. See Due.]

Defn: Duty; service owed; hence, due act of civility or respect; -- now usually in the plural; as, they paid their devoirs to the ladies. "Do now your devoid, young knights!" Chaucer.

DEVOLUTE Dev"o*lute, v. t. Etym: [L. devolutus, p. p. of devolvere. See Devolve.]

Defn: To devolve. [Obs.] Foxe.

DEVOLUTION Dev`o*lu"tion, n. Etym: [LL. devolutio: cf. F. dévolution.]

1. The act of rolling down. [R.] The devolution of earth down upon the valleys. Woodward.

2. Transference from one person to another; a passing or devolving upon a successor. The devolution of the crown through a . . . channel known and conformable to old constitutional requisitions. De Quincey.

DEVOLVE De*volve", v. t. [imp. & p. p. Devolved; p. pr. & vb. n. Devolving.] Etym: [L. devolvere, devolutum, to roll down; de + volvere to roll down; de + volvere to roll. See Voluble.]

1. To roll onward or downward; to pass on. Every headlong stream Devolves its winding waters to the main. Akenside. Devolved his rounded periods. Tennyson.

2. To transfer from one person to another; to deliver over; to hand down; -- generally with upon, sometimes with to or into. They devolved a considerable share of their power upon their favorite. Burke. They devolved their whole authority into the hands of the council of sixty. Addison.

DEVOLVE De*volve", v. i.

Defn: To pass by transmission or succession; to be handed over or down; -- generally with on or upon, sometimes with to or into; as, after the general fell, the command devolved upon (or on) the next officer in rank. His estate . . . devolved to Lord Somerville. Johnson.

DEVOLVEMENT De*volve"ment, n.

Defn: The act or process of devolving;; devolution.

DEVON De"von, n.

Defn: One of a breed of hardy cattle originating in the country of Devon, England. Those of pure blood have a deep red color. The small, longhorned variety, called North Devons, is distinguished by the superiority of its working oxen.

DEVONIAN De*vo"ni*an, a. (Geol.)

Defn: Of or pertaining to Devon or Devonshire in England; as, the Devonian rocks, period, or system. Devonian age (Geol.), the age next older than the Carboniferous and later than the Silurian; -- called also the Age of fishes. The various strata of this age compose the Devonian formation or system, and include the old red sandstone of Great Britain. They contain, besides plants and numerous invertebrates, the bony portions of many large and remarkable fishes of extinct groups. See the Diagram under Geology.

DEVONIAN De*vo"ni*an, n.

Defn: The Devonian age or formation.

DEVORATION Dev`o*ra"tion, n. Etym: [L. devoratio. See Devour.]

Defn: The act of devouring. [Obs.] Holinshed.

DEVOTARY De*vo"ta*ry, n. Etym: [See Devote, Votary.]

Defn: A votary. [Obs.] J. Gregory.

DEVOTE De*vote", v. t. [imp. & p. p. Devoted; p. pr. & vb. n. Devoting.] Etym: [L. devotus, p. p. of devovere; de + vovere to vow. See Vow, and cf. Devout, Devow.]

1. To appropriate by vow; to set apart or dedicate by a solemn act; to consecrate; also, to consign over; to doom; to evil; to devote one to destruction; the city was devoted to the flames. No devoted thing that a man shall devote unto the Lord . . . shall be sold or redeemed. Lev. xxvii. 28.

2. To execrate; to curse. [Obs.]

3. To give up wholly; to addict; to direct the attention of wholly or compound; to attach; -- often with a reflexive pronoun; as, to devote one's self to science, to one's friends, to piety, etc.

Thy servant who is devoted to thy fear. Ps. cxix. 38. They devoted themselves unto all wickedness. Grew. A leafless and simple branch . . . devoted to the purpose of climbing. Gray.

Syn. -- To addict; apply; dedicate; consecrate; resign; destine; doom; consign. See Addict.

DEVOTE De*vote", a. Etym: [L. devotus, p. p.]

Defn: Devoted; addicted; devout. [Obs.] Milton.

DEVOTE De*vote", n.

Defn: A devotee. [Obs.] Sir E. Sandys.

DEVOTED De*vot"ed, a.

Defn: Consecrated to a purpose; strongly attached; zealous; devout; as, a devoted admirer. -- De*vot"ed*ly, adv. -- De*vot"ed*ness, n.

DEVOTEE Dev`o*tee", n.

Defn: One who is wholly devoted; esp., one given wholly to religion; one who is superstitiously given to religious duties and ceremonies; a bigot. While Father Le Blanc was very devout he was not a devotee. A. S. Hardy.

DEVOTEMENT De*vote"ment, n.

Defn: The state of being devoted, or set apart by a vow. [R.] Bp. Hurd.

DEVOTER De*vot"er, n.

Defn: One who devotes; a worshiper.

DEVOTION De*vo"tion, n. Etym: [F. dévotion, L. devotio.]

1. The act of devoting; consecration.

2. The state of being devoted; addiction; eager inclination; strong attachment love or affection; zeal; especially, feelings toward God appropriately expressed by acts of worship; devoutness. Genius animated by a fervent spirit of devotion. Macaulay.

3. Act of devotedness or devoutness; manifestation of strong attachment; act of worship; prayer. "The love of public devotion." Hooker.

4. Disposal; power of disposal. [Obs.] They are entirely at our devotion, and may be turned backward and forward, as we please. Godwin.

5. A thing consecrated; an object of devotion. [R.] Churches and altars, priests and all devotions, Tumbled together into rude chaos. Beau. & Fl. Days of devotion. See under Day.

Syn. -- Consecration; devoutness; religiousness; piety; attachment; devotedness; ardor; earnestness.

DEVOTIONAL De*vo"tion*al, a. Etym: [L. devotionalis.]

Defn: Pertaining to, suited to, or used in, devotion; as, a devotional posture; devotional exercises; a devotional frame of mind.

DEVOTIONALIST; DEVOTIONIST De*vo"tion*al*ist, De*vo"tion*ist, n.

Defn: One given to devotion, esp. to excessive formal devotion.

DEVOTIONALITY De*vo`tion*al"i*ty, n.

Defn: The practice of a devotionalist. A. H. Clough.

DEVOTIONALLY De*vo"tion*al*ly, adv.

Defn: In a devotional manner; toward devotion.

DEVOTO De*vo"to, n. Etym: [It.]

Defn: A devotee. Dr. J. Scott.

DEVOTOR De*vo"tor, n. Etym: [L.]

Defn: A worshiper; one given to devotion. [Obs.] Beau. & Fl.

DEVOUR De*vour", v. t. [imp. & p. p. Devoured; p. pr. & vb. n. Devouring.] Etym: [F. dévorer, fr. L. devorare; de + vorare to eat greedily, swallow up. See Voracious.]

1. To eat up with greediness; to consume ravenously; to feast upon like a wild beast or a glutton; to prey upon. Some evil beast hath devoured him. Gen. xxxvii. 20.

2. To seize upon and destroy or appropriate greedily, selfishly, or wantonly; to consume; to swallow up; to use up; to waste; to annihilate. Famine and pestilence shall devour him. Ezek. vii. 15. I waste my life and do my days devour. Spenser.

3. To enjoy with avidity; to appropriate or take in eagerly by the senses. Longing they look, and gaping at the sight, Devour her o'er with vast delight. Dryden.

Syn. -- To consume; waste; destroy; annihilate.

DEVOURABLE De*vour"a*ble, a.

Defn: That may be devoured.

DEVOURER De*vour"er, n.

Defn: One who, or that which, devours.

DEVOURINGLY De*vour"ing*ly, adv.

Defn: In a devouring manner.

DEVOUT De*vout", a. Etym: [OE. devot, devout, F. dévot, from L. devotus devoted, p. p. of devovere. See Devote, v. t.]

1. Devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious. A devout man, and one that feared God. Acts x. 2. We must be constant and devout in the worship of God. Rogers.

2. Expressing devotion or piety; as, eyes devout; sighs devout; a devout posture. Milton.

3. Warmly devoted; hearty; sincere; earnest; as, devout wishes for one's welfare. The devout, devoutly religious persons, those who are sincerely pious.

Syn. -- Holy; pure; religious; prayerful; pious; earnest; reverent; solemn; sincere.

DEVOUT De*vout", n.

1. A devotee. [Obs.] Sheldon.

2. A devotional composition, or part of a composition; devotion. [Obs.] Milton.

DEVOUTFUL De*vout"ful, a.

1. Full of devotion. [R.]

2. Sacred. [R.] To take her from austerer check of parents, To make her his by most devoutful rights. Marston.

DEVOUTLESS De*vout"less, a.

Defn: Destitute of devotion. -- De*vout"less*ly, adv. -- De*vout"less*ness, n.

DEVOUTLY De*vout"ly, adv.

1. In a devout and reverent manner; with devout emotions; piously. Cast her fair eyes to heaven and prayed devoutly. Shak.

2. Sincerely; solemnly; earnestly. 'T is a consummation Devoutly to be wished. Shak.

DEVOUTNESS De*vout"ness, n.

Defn: Quality or state of being devout.

DEVOVE De*vove", v. t. Etym: [See Devote, v. t.]

Defn: To devote. [Obs.] Cowley.

DEVOW De*vow", v. t. Etym: [F. dévouer, L. devovere. See Devote, v. t.]

1. To give up; to devote. [Obs.]

2. Etym: [Cf. OF. desvoer. Cf. Disavow.]

Defn: To disavow; to disclaim. [Obs.] G. Fletcher.

DEVULGARIZE De*vul"gar*ize, v. t.

Defn: To free from what is vulgar, common, or narrow. Shakespeare and Plutarch's "Lives" are very devulgarizing books. E. A. Abbott.

DEW Dew, n. Etym: [AS. deáw; akin to D. dauw, G. thau, tau, Icel. dögg, Sw. dagg, Dan. dug; cf. Skr. dhav, dhav, to flow. Dag dew.]

1. Moisture from the atmosphere condensed by cool bodies upon their surfaces, particularly at night. Her tears fell with the dews at even. Tennyson.

2. Figuratively, anything which falls lightly and in a refreshing manner. "The golden dew of sleep." Shak.

3. An emblem of morning, or fresh vigor. "The dew of his youth." Longfellow.

Note: Dew is used in combination; as, dew-bespangled, dew-drenched, dewdrop, etc.

DEW Dew, v. t. [imp. & p. p. Dewed; p. pr. & vb. n. Dewing.]

Defn: To wet with dew or as with dew; to bedew; to moisten; as with dew. The grasses grew A little ranker since they dewed them so. A. B. Saxton.

DEW Dew, a. & n.

Defn: Same as Due, or Duty. [Obs.] Spenser.

DEWAR VESSEL Dew"ar ves`sel (du"er). [After Sir James Dewar, British physicist.]

Defn: A double-walled glass vessel for holding liquid air, etc., having the space between the walls exhausted so as to prevent conduction of heat, and sometimes having the glass silvered to prevent absorption of radiant heat; -- called also, according to the particular shape, Dewar bulb, Dewar tube, etc.

DEWBERRY Dew"ber`ry, n. (Bot.) (a) The fruit of certain species of bramble (Rubus); in England, the fruit of R. cæsius, which has a glaucous bloom; in America, that of R. canadensis and R. hispidus, species of low blackberries. (b) The plant which bears the fruit. Feed him with apricots and dewberries. Shak.

DEWCLAW Dew"claw`, n.

Defn: In any animal, esp. of the Herbivora, a rudimentary claw or small hoof not reaching the ground. Some cut off the dewclaws [of greyhounds]. J. H. Walsh.

DEWDROP Dew"drop`, n.

Defn: A drop of dew. Shak.

DEWFALL Dew"fall`, n.

Defn: The falling of dew; the time when dew begins to fall.

DEWINESS Dew"i*ness, n.

Defn: State of being dewy.

DEWLAP Dew"lap`, n. Etym: [Dew + lap to lick.]

1. The pendulous skin under the neck of an ox, which laps or licks the dew in grazing.

2. The flesh upon the human throat, especially when with age. [Burlesque] On her withered dewlap pour the ale. Shak.

DEWLAPPED Dew"lapped`, a.

Defn: Furnished with a dewlap.

DEWLESS Dew"less, a.

Defn: Having no dew. Tennyson.

DEW-POINT Dew"-point`, n. (Meteor.)

Defn: The temperature at which dew begins to form. It varies with the humidity and temperature of the atmosphere.

DEWRET Dew"ret`, v. t. Etym: [Dew + ret, v. t.]

Defn: To ret or rot by the process called dewretting.

DEWRETTING Dew"ret`ting, n.

Defn: Dewrotting; the process of decomposing the gummy matter of flax and hemp and setting the fibrous part, by exposure on a sward to dew, rain, and sunshine.

DEWROT Dew"rot`, v. t.

Defn: To rot, as flax or hemp, by exposure to rain, dew, and sun. See Dewretting.

DEWWORM Dew"worm`, n. (Zoöl.)

Defn: See Earthworm.

DEWY Dew"y, a.

1. Pertaining to dew; resembling, consisting of, or moist with, dew. A dewy mist Went and watered all the ground. Milton. When dewy eve her curtain draws. Keble.

2. Falling gently and beneficently, like the dew. Dewy sleep ambrosial. Cowper.

3. (Bot.)

Defn: Resembling a dew-covered surface; appearing as if covered with dew.

DEXTER Dex"ter, a. Etym: [L.,; akin to Gr. dakshi (cf. daksh to be strong, suit); Goth. taihswa, OHG. zeso. Cf. Dexterous.]

1. Pertaining to, or situated on, the right hand; right, as opposed to sinister, or left. On sounding wings a dexter eagle flew. Pope.

2. (Her.)

Defn: On the right-hand side of a shield, i. e., towards the right hand of its wearer. To a spectator in front, as in a pictorial representation, this would be the left side. Dexter chief, or Dexter point (Her.), a point in the dexter upper corner of the shield, being in the dexter extremity of the chief, as A in the cut. -- Dexter base, a point in the dexter lower part or base of the shield, as B in the cut.

DEXTERICAL Dex*ter"i*cal, a.

Defn: Dexterous. [Obs.]

DEXTERITY Dex*ter"i*ty, n. Etym: [L. dexteritas, fr. dexter: cf. F. dextérité. See Dexter.]

1. Right-handedness.

2. Readiness and grace in physical activity; skill and ease in using the hands; expertness in manual acts; as, dexterity with the chisel. In youth quick bearing and dexterity. Shak.

3. Readiness in the use or control of the mental powers; quickness and skill in managing any complicated or difficult affair; adroitness. His wisdom . . . was turned . . . into a dexterity to deliver himself. Bacon. He had conducted his own defense with singular boldness and dexterity. Hallam.

Syn. -- Adroitness; activity; nimbleness; expertness; skill; cleverness; art; ability; address; tact; facility; aptness; aptitude; faculty. See Skill.

DEXTEROUS Dex"ter*ous, a. Etym: [L. dexter. See Dexter.] [Written also dextrous.]

1. Ready and expert in the use of the body and limbs; skillful and active with the hands; handy; ready; as, a dexterous hand; a dexterous workman.

2. Skillful in contrivance; quick at inventing expedients; expert; as, a dexterous manager. Dexterous the craving, fawning crowd to quit. Pope.

3. Done with dexterity; skillful; artful; as, dexterous management. "Dexterous sleights of hand." Trench.

Syn. -- Adroit; active; expert; skillful; clever; able; ready; apt; handy; versed.

DEXTEROUSLY Dex"ter*ous*ly, adv.

Defn: In a dexterous manner; skillfully.

DEXTEROUSNESS Dex"ter*ous*ness, n.

Defn: The quality of being dexterous; dexterity.

DEXTRAD Dex"trad, adv. Etym: [L. dextra the right hand + ad to.] (Anat.)

Defn: Toward the right side; dextrally.

DEXTRAL Dex"tral, a. Etym: [From Dexter.]

Defn: Right, as opposed to sinistral, or left. Dextral shell (Zoöl.), a spiral shell the whorls of which turn from left right, or like the hands of a watch when the apex of the spire is toward the eye of the observer.

DEXTRALITY Dex*tral"i*ty, n.

Defn: The state of being on the right-hand side; also, the quality of being right-handed; right-handedness. Sir T. Browne.

DEXTRALLY Dex"tral*ly

Defn: (adv. Towards the right; as, the hands of a watch rotate dextrally.

DEXTRER Dex*trer", n.

Defn: A war horse; a destrer. [Obs.] "By him baiteth his dextrer." Chaucer.

DEXTRIN Dex"trin, n. Etym: [Cf. F. dextrine, G. dextrin. See Dexter.] (Chem.)

Defn: A translucent, gummy, amorphous substance, nearly tasteless and odorless, used as a substitute for gum, for sizing, etc., and obtained from starch by the action of heat, acids, or diastase. It is of somewhat variable composition, containing several carbohydrates which change easily to their respective varieties of sugar. It is so named from its rotating the plane of polarization to the right; -- called also British gum, Alsace gum, gommelin, leiocome, etc. See Achroödextrin, and Erythrodextrin.

DEXTRO- Dex"tro-.

Defn: A prefix, from L. dexter, meaning, pertaining to, or toward, the right; (Chem. & Opt.)

Defn: having the property of turning the plane of polarized light to the right; as, dextrotartaric acid.

DEXTROGEROUS Dex*trog"er*ous, a. (Physics & Chem.)

Defn: See Dextrogyrate.

DEXTROGLUCOSE Dex`tro*glu"cose`, n. Etym: [Dextro- + glucose.] (Chem.)

Defn: Same as Dextrose.

DEXTROGYRATE Dex`tro*gy"rate, a. Etym: [Dextro- + gyrate.] (Chem. & Opt.)

Defn: Same as Dextrorotatory.

DEXTRONIC Dex*tron"ic, a. (Chem.)

Defn: Pertaining to, or derived from, dextrose; as, dextronic acid. Dextronic acid, a sirupy substance obtained by the partial oxidation of various carbohydrates, as dextrose, etc.

DEXTROROTARY Dex`tro*ro"ta*ry, a. (Physics & Chem.)

Defn: See Dextrotatory.

DEXTROROTATORY Dex`tro*ro"ta*to*ry, a. Etym: [Dextro- + rotatory.] (Chem. & Opt.)

Defn: Turning, or causing to turn, toward the right hand; esp., turning the plane of polarization of luminous rays toward the right hand; as, dextrorotatory crystals, sugars, etc. Cf. Levorotatory.

DEXTRORSAL; DEXTRORSE Dex*tror"sal, Dex"trorse`, a. Etym: [L. dextrorsum, contr. fr. dextrovorsum, dextroversum, toward the right side; dexter right + versus, vorsus, p. p. of vertere, vortere, to turn.]

Defn: Turning from the left to the right, in the ascending line, as in the spiral inclination of the stem of the common morning-glóry.

Note: At present scientists predicate dextrorse or sinistrorse quality of the plant regarded objectively; formerly the plant was regarded subjectively, and what is now called dextrorse was then considered sinistrorse.

DEXTROSE Dex"trose`, n. Etym: [See Dexter.] (Chem.)

Defn: A sirupy, or white crystalline, variety of sugar, C6H12O6 (so called from turning the plane of polarization to the right), occurring in many ripe fruits. Dextrose and levulose are obtained by the inversion of cane sugar or sucrose, and hence called invert sugar. Dextrose is chiefly obtained by the action of heat and acids on starch, and hence called also starch sugar. It is also formed from starchy food by the action of the amylolytic ferments of saliva and pancreatic juice.

Note: The solid products are known to the trade as grape sugar; the sirupy products as glucose, or mixing sirup. These are harmless, but are only about half as sweet as cane or sucrose.

DEXTROUS; DEXTROUSLY; DEXTROUSNESS Dex"trous, a., Dex"trous*ly, adv., Dex"trous*ness, n.

Defn: Same as Dexterous, Dexterously, etc.

DEY Dey, n. Etym: [See Dairy.]

Defn: A servant who has charge of the dairy; a dairymaid. [Obs.] Chaucer.

DEY Dey, n.; pl. Deys. Etym: [Turk. dai, orig., a maternal uncle, then a friendly title formerly given to middle-aged or old people, especially among the Janizaries; and hence, in Algiers, consecrated at length to the commanding officer of that corps, who frequently became afterward pasha or regent of that province; hence the European misnomer of dey, as applied to the latter: cf. F. dey.]

Defn: The governor of Algiers; -- so called before the French conquest in 1830.

DEYE Deye, v. i.

Defn: To die. [Obs.] Chaucer.

DEYNTE; DEYNTEE Deyn"te, Deyn"tee, n. & a.

Defn: See Dainty. [Obs.] Chaucer.

DEZINCIFICATION De*zinc`i*fi*ca"tion, n.

Defn: The act or process of freeing from zinc; also, the condition resulting from the removal of zinc.

DEZINCIFY De*zinc"i*fy, v. t. Etym: [Pref. de- + zinc + -fy.]

Defn: To deprive of, or free from, zinc.

DHOLE Dhole, n. (Zoöl.)

Defn: A fierce, wild dog (Canis Dukhunensis), found in the mountains of India. It is remarkable for its propensity to hunt the tiger and other wild animals in packs.

DHONY Dho"ny, n.

Defn: A Ceylonese boat. See Doni.

DHOORRA; DHOURRA; DHURRA Dhoor"ra, Dhour"ra, or Dhur"ra (, n.

Defn: Indian millet. See Durra.

DHOW Dhow, n. Etym: [Ar. dao]

Defn: A coasting vessel of Arabia, East Africa, and the Indian Ocean. It has generally but one mast and a lateen sail. [Also written dow.]

DI- Di-. Etym: [Gr. bis twice. See Two, and cf. Bi-, Dia-. The L. pref. dis- sometimes assumes the form di-. See Dis-.]

Defn: A prefix, signifying twofold, double, twice; (Chem.)

Defn: denoting two atoms, radicals, groups, or equivalents, as the case may be. See Bi-,

2.

DIA-; DI- Di"a-, Di-. Etym: [Gr. Two, and cf. 1st Di-.]

Defn: A prefix denoting through; also, between, apart, asunder, across. Before a vowel dia- becomes di-; as, diactinic; dielectric, etc.

DIABASE Di"a*base, n. Etym: [F. diabase, fr. Gr. (Min.)

Defn: A basic, dark-colored, holocrystalline, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron; -- often limited to rocks pretertiary in age. It includes part of what was early called greenstone.

DIABATERIAL Di*ab`a*te"ri*al, a. Etym: [Gr. Diabase.]

Defn: Passing over the borders. [R.] Mitford.

DIABETES Di`a*be"tes, n. Etym: [NL., from Gr. Diabase.] (Med.)

Defn: A disease which is attended with a persistent, excessive discharge of urine. Most frequently the urine is not only increased in quantity, but contains saccharine matter, in which case the disease is generally fatal. Diabetes mellitus Etym: [NL., sweet diabetes], that form of diabetes in which the urine contains saccharine matter. -- Diabetes insipidus Etym: [NL., lit., diabetes], the form of diabetes in which the urine contains no abnormal constituent.

DIABETIC; DIABETICAL Di`a*bet"ic, Di`a*bet"ic*al, a.

Defn: Pertaining to diabetes; as, diabetic or diabetical treatment. Quian. Diabetic sugar. (Chem.) Same as Dextrose.

DIABLERIE; DIABLEY Dia`ble*rie", Di*ab"le*y, n. Etym: [F. diablerie, fr. diable devil, L. diabolus. See Devil.]

Defn: Devilry; sorcery or incantation; a diabolical deed; mischief.

DIABOLIC; DIABOLICAL Di`a*bol"ic, Di`a*bol"ic*al, a. Etym: [L. diabolicus, Gr. diabolique. See Devil.]

Defn: Pertaining to the devil; resembling, or appropriate, or appropriate to, the devil; devilish; infernal; impious; atrocious; nefarious; outrageously wicked; as, a diabolic or diabolical temper or act. "Diabolic power." Milton. "The diabolical institution." Motley. -- Di`a*bol"ic*al*ly, adv. -- Di`a*bol"ic*al*ness, n.

DIABOLIFY Di`a*bol"i*fy, v. t. Etym: [L. diabolus devil + -fy.]

Defn: To ascribed diabolical qualities to; to change into, or to represent as, a devil. [R.] Farindon.

DIABOLISM Di*ab"o*lism, n.

1. Character, action, or principles appropriate to the devil.

2. Possession by the devil. Bp. Warburton.

DIABOLIZE Di*ab"o*lize, v. t.

Defn: To render diabolical. [R.]

DIABOLO Di*ab"o*lo (di*ab"o*lo), n.

Defn: An old game or sport (revived under this name) consisting in whirling on a string, fastened to two sticks, a small somewhat spool- shaped object (called the diabolo) so as to balance it on a string, toss it in the air and catch it, etc.

DIACATHOLICON Di`a*ca*thol"i*con, n. Etym: [Pref. dia- + catholicon.] (Med.)

Defn: A universal remedy; -- name formerly to a purgative electuary.

DIACAUSTIC Di`a*caus"tic, a. Etym: [Pref. dia- + caustic.] (Opt.)

Defn: Pertaining to, or possessing the properties of, a species of caustic curves formed by refraction. See Caustic surface, under Caustic.

DIACAUSTIC Di`a*caus"tic, n.

1. (Med.)

Defn: That which burns by refraction, as a double convex lens, or the sun's rays concentrated by such a lens, sometimes used as a cautery.

2. (Math.)

Defn: A curved formed by the consecutive intersections of rays of light refracted through a lens.

DIACHYLON; DIACHYLUM Di*ach"y*lon, Di*ach"y*lum, n. Etym: [NL. diachylum, fr. Gr. (Med. & Chem.)

Defn: A plaster originally composed of the juices of several plants (whence its name), but now made of an oxide of lead and oil, and consisting essentially of glycerin mixed with lead salts of the fat acids.

DIACID Di*ac"id, a. Etym: [Pref. di- + acid.] (Chem.)

Defn: Divalent; -- said of a base or radical as capable of saturating two acid monad radicals or a dibasic acid. Cf. Dibasic, a., and Biacid.

DIACODIUM Di`a*co"di*um, n. Etym: [L., from Gr.

Defn: A sirup made of poppies.

DIACONAL Di*ac"o*nal, a. Etym: [LL. diaconalis: cf. F. diaconal. Cf. Deacon.]

Defn: Of or pertaining to a deacon.

DIACONATE Di*ac"o*nate, n. Etym: [L. diaconatus: cf. F. diaconat.]

Defn: The office of a deacon; deaconship; also, a body or board of deacons.

DIACONATE Di*ac"o*nate, a.

Defn: Governed by deacons. "Diaconate church." T. Goodwin.

DIACOPE Di*ac"o*pe, n. Etym: [L., fr. Gr. (Gram.)

Defn: Tmesis.

DIACOUSTIC Di`a*cous"tic, a. Etym: [Pref. di- + acoustic.]

Defn: Pertaining to the science or doctrine of refracted sounds.

DIACOUSTICS Di`a*cous"tics, n. Etym: [Cf. F. diacoustique.]

Defn: That branch of natural philosophy which treats of the properties of sound as affected by passing through different mediums; -- called also diaphonics. See the Note under Acoustics.

DIACRITIC; DIACRITICAL Di`a*crit"ic, Di`a*crit"ic*al, a. Etym: [Gr. Critic.]

Defn: That separates or distinguishes; -- applied to points or marks used to distinguish letters of similar form, or different sounds of the same letter, as, a, â, ä, o, ô, etc. "Diacritical points." Sir W. Jones. A glance at this typography will reveal great difficulties, which diacritical marks necessarily throw in the way of both printer and writer. A. J. Ellis.

DIACTINIC Di`ac*tin"ic, a. Etym: [Pref. di- + actinic.] (Physics)

Defn: Capable of transmitting the chemical or actinic rays of light; as, diactinic media.

DIADELPHIA Di`a*del"phi*a, n.; pl. Etym: [NL., fr. Gr. (Bot.)

Defn: A Linnæan class of plants whose stamens are united into two bodies or bundles by their filaments.

DIADELPHIAN; DIADELPHOUS Di`a*del"phi*an, Di`a*del"phous, a. Etym: [Cf. F. diadelphe.] (Bot.)

Defn: Of or pertaining to the class Diadelphia; having the stamens united into two bodies by their filaments (said of a plant or flower); grouped into two bundles or sets by coalescence of the filaments (said of stamens).

DIADEM Di"a*dem, n. Etym: [F. diadème, L. diadema, fr. Gr. da to bind.]

1. Originally, an ornamental head band or fillet, worn by Eastern monarchs as a badge of royalty; hence (later), also, a crown, in general. "The regal diadem." Milton.

2. Regal power; sovereignty; empire; -- considered as symbolized by the crown.

3. (Her.)

Defn: An arch rising from the rim of a crown (rarely also of a coronet), and uniting with others over its center. Diadem lemur. (Zoöl.) See Indri. -- Diadem spider (Zoöl.), the garden spider.

DIADEM Di"a*dem, v. t.

Defn: To adorn with a diadem; to crown. Not so, when diadem'd with rays divine. Pope. To terminate the evil, To diadem the right. R. H. Neale.

DIADROM Di"a*drom, n. Etym: [Gr.

Defn: A complete course or vibration; time of vibration, as of a pendulum. [Obs.] Locke.

DIAERESIS; DIERESIS Di*ær"e*sis, Di*er"e*sis, n.; pl. Diæreses or Diereses. Etym: [L. diaeresis, Gr. Heresy.]

1. (Gram.)

Defn: The separation or resolution of one syllable into two; -- the opposite of synæresis.

2. A mark consisting of two dots [..], placed over the second of two adjacent vowels, to denote that they are to be pronounced as distinct letters; as, coöperate, aërial.

DIAERETIC Di`æ*ret"ic, a. Etym: [Gr. (Med.)

Defn: Caustic. [Obs.]

DIAGEOTROPIC Di`a*ge`o*trop"ic, a. Etym: [Gr. (Bot.)

Defn: Relating to, or exhibiting, diageotropism.

DIAGEOTROPISM Di`a*ge*ot"ro*pism, n. (Bot.)

Defn: The tendency of organs (as roots) of plants to assume a position oblique or transverse to a direction towards the center of the earth.

DIAGLYPH Di"a*glyph, n. Etym: [Gr.

Defn: An intaglio. Mollett.

DIAGLYPHIC; DIAGLYPHTIC Di`a*glyph"ic, Di`a*glyph"tic, a.

Defn: Represented or formed by depressions in the general surface; as, diaglyphic sculpture or engraving; -- opposed to anaglyphic.

DIAGNOSE Di`ag*nose", v. t. & i.

Defn: To ascertain by diagnosis; to diagnosticate. See Diagnosticate.

DIAGNOSIS Di`ag*no"sis, n.; pl. Diagnoses. Etym: [NL., fr. Gr. Know.]

1. (Med.)

Defn: The art or act of recognizing the presence of disease from its signs or symptoms, and deciding as to its character; also, the decision arrived at.

2. Scientific determination of any kind; the concise description of characterization of a species.

3. Critical perception or scrutiny; judgment based on such scrutiny; esp., perception pf, or judgment concerning, motives and character. The quick eye for effects, the clear diagnosis of men's minds, and the love of epigram. Compton Reade. My diagnosis of his character proved correct. J. Payn. Differential diagnosis (Med.), the determination of the distinguishing characteristics as between two similar diseases or conditions.

DIAGNOSTIC Di`ag*nos"tic, a. Etym: [Gr. diagnostique.]

Defn: Pertaining to, or furnishing, a diagnosis; indicating the nature of a disease.

DIAGNOSTIC Di`ag*nos"tic, n.

Defn: The mark or symptom by which one disease is known or distinguished from others.

DIAGNOSTICATE Di`ag*nos"ti*cate, v. t. & i. Etym: [From Diagnostic.]

Defn: To make a diagnosis of; to recognize by its symptoms, as a disease.

DIAGNOSTICS Di`ag*nos"tics, n.

Defn: That part of medicine which has to do with ascertaining the nature of diseases by means of their symptoms or signs. His rare skill in diagnostics. Macaulay.

DIAGOMETER Di`a*gom"e*ter, n. Etym: [Gr. -meter.]

Defn: A sort of electroscope, invented by Rousseau, in which the dry pile is employed to measure the amount of electricity transmitted by different bodies, or to determine their conducting power. Nichol.

DIAGONAL Di*ag"o*nal, a. Etym: [L. diagonalis, fr. Gr. knee: cf. F. diagonal.] (Geom.)

Defn: Joining two not adjacent angles of a quadrilateral or multilateral figure; running across from corner to corner; crossing at an angle with one of the sides. Diagonal bond (Masonry), herringbone work. See Herringbone, a. -- Diagonal built (Shipbuilding), built by forming the outer skin of two layers of planking, making angles of about 45º with the keel, in opposite directions. -- Diagonal cleavage. See under Cleavage. -- Diagonal molding (Arch.), a chevron or zigzag molding. -- Diagonal rib. (Arch.) See Cross-springer. -- Diagonal scale, a scale which consists of a set of parallel lines, with other lines crossing them obliquely, so that their intersections furnish smaller subdivisions of the unit of measure than could be conveniently marked on a plain scale. -- Diagonal stratification. (Geol.) Same as Cross bedding, under Cross, a.

DIAGONAL Di*ag"o*nal, n.

1. A right line drawn from one angle to another not adjacent, of a figure of four or more sides, and dividing it into two parts.

2. (Engin.)

Defn: A member, in a framed structure, running obliquely across a panel.

3. A diagonal cloth; a kind of cloth having diagonal stripes, ridges, or welts made in the weaving.

DIAGONALLY Di*ag"o*nal*ly, adv.

Defn: In a diagonal direction.

DIAGONIAL Di`a*go"ni*al, a.

Defn: Diagonal; diametrical; hence; diametrically opposed. [Obs.] Sin can have no tenure by law at all, but is rather an eternal outlaw, and in hostility with law past all atonement; both diagonal contraries, as much allowing one another as day and night together in one hemisphere. Milton.

DIAGRAM Di"a*gram, n. Etym: [Gr. diagramme. See Graphic.]

1. (Geom.)

Defn: A figure or drawing made to illustrate a statement, or facilitate a demonstration; a plan.

2. Any simple drawing made for mathematical or scientific purposes, or to assist a verbal explanation which refers to it; a mechanical drawing, as distinguished from an artistical one. Indicator diagram. (Steam Engine) See Indicator card, under indicator

DIAGRAM Di"a*gram, v. t.

Defn: To put into the form of a diagram.

DIAGRAMMATIC Di`a*gram*mat"ic, a.

Defn: Pertaining to, or of the nature of, a diagram; showing by diagram. -- Di`a*gram*mat"ic*ly, adv.

DIAGRAPH Di"a*graph, n. Etym: [Gr. diagraphe. See Diagram.]

Defn: A drawing instrument, combining a protractor and scale.

DIAGRAPHIC; DIAGRAPHICAL Di`a*graph"ic, Di`a*graph"ic*al, a. Etym: [Cf. F. diagraphique.]

Defn: Descriptive.

DIAGRAPHICS Di`a*graph"ics, n.

Defn: The art or science of descriptive drawing; especially, the art or science of drawing by mechanical appliances and mathematical rule.

DIAHELIOTROPIC Di`a*he`li*o*trop"ic, a. Etym: [Gr. (Bot.)

Defn: Relating or, or manifesting, diaheliotropism.

DIAHELIOTROPISM Di`a*he`li*ot"ro*pism, n. (Bot.)

Defn: A tendency of leaves or other organs of plants to have their dorsal surface faced towards the rays of light.

DIAL Di"al, n. Etym: [LL. dialis daily, fr. L. dies day. See Deity.]

1. An instrument, formerly much used for showing the time of day from the shadow of a style or gnomon on a graduated arc or surface; esp., a sundial; but there are lunar and astral dials. The style or gnomon is usually parallel to the earth's axis, but the dial plate may be either horizontal or vertical.

2. The graduated face of a timepiece, on which the time of day is shown by pointers or hands.

3. A miner's compass. Dial bird (Zoöl.), an Indian bird (Copsychus saularius), allied to the European robin. The name is also given to other related species. -- Dial lock, a lock provided with one or more plates having numbers or letters upon them. These plates must be adjusted in a certain determined way before the lock can be operated. -- Dial plate, the plane or disk of a dial or timepiece on which lines and figures for indicating the time are placed.

DIAL Di"al, v. t. [imp. & p. p. Dialed or Dialled; p. pr. & vb. n. Dialing or Dialling.]

1. To measure with a dial. Hours of that true time which is dialed in heaven. Talfourd.

2. (Mining)

Defn: To survey with a dial. Raymond.

DIALECT Di"a*lect, n. Etym: [F. dialecte, L. dialectus, fr. Gr. Dialogue.]

1. Means or mode of expressing thoughts; language; tongue; form of speech. This book is writ in such a dialect As may the minds of listless men affect. Bunyan. The universal dialect of the world. South.

2. The form of speech of a limited region or people, as distinguished from ether forms nearly related to it; a variety or subdivision of a language; speech characterized by local peculiarities or specific circumstances; as, the Ionic and Attic were dialects of Greece; the Yorkshire dialect; the dialect of the learned. In the midst of this Babel of dialects there suddenly appeared a standard English language. Earle. [Charles V.] could address his subjects from every quarter in their native dialect. Prescott.

Syn. -- Language; idiom; tongue; speech; phraseology. See Language, and Idiom.

DIALECTAL Di`a*lec"tal, a.

Defn: Relating to a dialect; dialectical; as, a dialectical variant.

DIALECTIC Di`a*lec"tic, n.

Defn: Same as Dialectics. Plato placed his dialectic above all sciences. Liddell & Scott.

DIALECTIC; DIALECTICAL Di`a*lec"tic, Di`a*lec"tic*al, a. Etym: [L. dialecticus, Gr. dialectique. See Dialect.]

1. Pertaining to dialectics; logical; argumental.

2. Pertaining to a dialect or to dialects. Earle.

DIALECTICALLY Di`a*lec"tic*al*ly, adv.

Defn: In a dialectical manner.

DIALECTICIAN Di`a*lec*ti"cian, n. Etym: [Cf. F. dialecticien.]

Defn: One versed in dialectics; a logician; a reasoner.

DIALECTICS Di`a*lec"tics, n. Etym: [L. dialectica (sc. ars), Gr. dialectique.]

Defn: That branch of logic which teaches the rules and modes of reasoning; the application of logical principles to discursive reasoning; the science or art of discriminating truth from error; logical discussion.

Note: Dialectics was defined by Aristotle to be the method of arguing with probability on any given problem, and of defending a tenet without inconsistency. By Plato, it was used in the following senses:

1. Discussion by dialogue as a method of scientific investigation.

2. The method of investigating the truth by analysis.

3. The science of ideas or of the nature and laws of being -- higher metaphysics. By Kant, it was employed to signify the logic of appearances or illusions, whether these arise from accident or error, or from those necessary limitations which, according to this philosopher, originate in the constitution of the human intellect.

DIALECTOLOGY Di`a*lec*tol"o*gy, n. Etym: [Dialect + -logy.]

Defn: That branch of philology which is devoted to the consideration of dialects. Beck.

DIALECTOR Di`a*lec"tor, n.

Defn: One skilled in dialectics.

DIALING Di"al*ing, n.

1. The art of constructing dials; the science which treats of measuring time by dials. [Written also dialling.]

2. A method of surveying, especially in mines, in which the bearings of the courses, or the angles which they make with each other, are determined by means of the circumferentor.

DIALIST Di"al*ist, n.

Defn: A maker of dials; one skilled in dialing.

DIALLAGE Di*al"la*ge, n. Etym: [NL., fr. Gr. (Rhet.)

Defn: A figure by which arguments are placed in various points of view, and then turned to one point. Smart.

DIALLAGE Di"al*lage, n. Etym: [Gr. (Min.)

Defn: A dark green or bronze-colored laminated variety of pyroxene, common in certain igneous rocks.

DIALLEL Di"al*lel, a. Etym: [Gr.

Defn: Meeting and intersecting, as lines; not parallel; -- opposed to parallel. [Obs.] Ash.

DIALLYL Di*al"lyl, n. (Chem.)

Defn: A volatile, pungent, liquid hydrocarbon, C6H10, consisting of two allyl radicals, and belonging to the acetylene series.

DIALOGICAL Di`a*log"ic*al, a. Etym: [Gr.

Defn: Relating to a dialogue; dialogistical. Burton.

DIALOGICALLY Di`a*log"ic*al*ly, adv.

Defn: In the manner or nature of a dialogue. Goldsmith.

DIALOGISM Di*al"o*gism, n. Etym: [Gr. dialogisme. See Dialogue.]

Defn: An imaginary speech or discussion between two or more; dialogue. Fulke.

DIALOGIST Di*al"o*gist, n. Etym: [L. dialogista: cf. F. dialogiste.]

1. A speaker in a dialogue.

2. A writer of dialogues. P. Skelton.

DIALOGISTIC; DIALOGISTICAL Di*al`o*gis"tic, Di*al`o*gis"tic*al, a. Etym: [Gr.

Defn: Pertaining to a dialogue; having the form or nature of a dialogue. -- Di*al`o*gis"tic*al*ly, adv.

DIALOGITE Di*al"o*gite, n. Etym: [From Gr. (Min.)

Defn: Native carbonate of manganese; rhodochrosite.

DIALOGIZE Di*al"o*gize, v. t. Etym: [Gr. dialogiser.]

Defn: To discourse in dialogue. Fotherby.

DIALOGUE Di"a*logue, n. Etym: [OE. dialogue, L. dialogus, fr. Gr. dialogue. See Legend.]

1. A conversation between two or more persons; particularly, a formal conservation in theatrical performances or in scholastic exercises.

2. A written composition in which two or more persons are represented as conversing or reasoning on some topic; as, the Dialogues of Plato.

DIALOGUE Di"a*logue, v. i. Etym: [Cf. F. dialoguer.]

Defn: To take part in a dialogue; to dialogize. [R.] Shak.

DIALOGUE Di"a*logue, v. t.

Defn: To express as in dialogue. [R.] And dialogued for him what he would say. Shak.

DIALYPETALOUS Di`al*y*pet"al*ous, a. Etym: [Gr. (Bot.)

Defn: Having separate petals; polypetalous.

DIALYSIS Di*al"y*sis, n.; pl. Dialyses. Etym: [L., separation, fr. Gr.

1. (Gram.)

Defn: Diæresis. See Diæresis,

1.

2. (Rhet.)

Defn: Same as Asyndeton.

3. (Med.) (a) Debility. (b) A solution of continuity; division; separation of parts.

4. (Chem.)

Defn: The separation of different substances in solution, as crystalloids and colloids, by means of their unequal diffusion, especially through natural or artificial membranes.

DIALYTIC Di`a*lyt"ic, a. Etym: [Gr. Dialysis.]

Defn: Having the quality of unloosing or separating. Clarke. Dialytic telescope, an achromatic telescope in which the colored dispersion produced by a single object lens of crown glass is corrected by a smaller concave lens, or combination of lenses, of high dispersive power, placed at a distance in the narrower part of the converging cone of rays, usually near the middle of the tube.

DIALYZATE Di*al"y*zate, n. (Chem.)

Defn: The material subjected to dialysis.

DIALYZATION Di`a*ly*za"tion, n. (Chem.)

Defn: The act or process of dialysis.

DIALYZE Di"a*lyze, v. t. [imp. & p. p. Dialyzed; p. pr. & vb. n. Dialyzing.] (Chem.)

Defn: To separate, prepare, or obtain, by dialysis or osmose; to pass through an animal membrane; to subject to dialysis. [Written also dialyse.]

DIALYZED Di"a*lyzed, a.

Defn: Prepared by diffusion through an animal membrane; as, dialyzed iron.

DIALYZER Di"a*ly`zer, n.

Defn: The instrument or medium used to effect chemical dialysis.

DIAMAGNET Di`a*mag"net, n. Etym: [Pref. dia- + magnet.]

Defn: A body having diamagnetic polarity.

DIAMAGNETIC Di`a*mag*net"ic, a.

Defn: Pertaining to, or exhibiting the phenomena of, diamagnetism; taking, or being of a nature to take, a position at right angles to the lines of magnetic force. See Paramagnetic. Diamagnetic attraction. See under Attraction.

DIAMAGNETIC Di`a*mag*net"ic, n.

Defn: Any substance, as bismuth, glass, phosphorous, etc., which in a field of magnetic force is differently affected from the ordinary magnetic bodies, as iron; that is, which tends to take a position at right angles to the lines of magnetic force, and is repelled by either pole of the magnet.

DIAMAGNETICALLY Di`a*mag*net"ic*al*ly, adv.

Defn: In the manner of, or according to, diamagnetism.

DIAMAGNETISM Di`a*mag"net*ism, n.

1. The science which treats of diamagnetic phenomena, and of the properties of diamagnetic bodies.

2. That form or condition of magnetic action which characterizes diamagnetics.

DIAMANTIFEROUS Di`a*man*tif"er*ous, a. Etym: [F. diamant diamond + -ferous.]

Defn: Yielding diamonds.

DIAMANTINE Di`a*man"tine, a.

Defn: Adamantine. [Obs.]

DIAMETER Di*am"e*ter, n. Etym: [F. diamètre, L. diametros, fr. Gr. Meter.]

1. (Geom.) (a) Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve. (b) A diametral plane.

2. The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock.

Note: In an elongated object the diameter is usually taken at right angles to the longer axis.

3. (Arch.)

Defn: The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See Module. Conjugate diameters. See under Conjugate.

DIAMETRAL Di*am"e*tral, a. Etym: [Gr. F. diamétral.]

Defn: Pertaining to a diameter; diametrical. Diametral curve, Diametral surface (Geom.), any line or surface which bisects a system of parallel chords drawn in a curve or surface. -- Diametral planes (Crystal.), planes in which two of the axes lie.

DIAMETRAL Di*am"e*tral, n.

Defn: A diameter. [Obs.] Sir T. Browne.

DIAMETRALLY Di*am"e*tral*ly, adv.

Defn: Diametrically.

DIAMETRIC; DIAMETRICAL Di*am"e*tric, Di*am"e*tric*al, a.

1. Of or pertaining to a diameter.

2. As remote as possible, as if at the opposite end of a diameter; directly adverse.

DIAMETRICALLY Di*am"e*tric*al*ly, adv.

Defn: In a diametrical manner; directly; as, diametrically opposite. Whose principles were diametrically opposed to his. Macaulay.

DIAMIDE Di*am"ide (; 104), n. Etym: [Pref. di- + amide.] (Chem.)

Defn: Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide.

DIAMIDO- Di*am"i*do- (, a. (Chem.)

Defn: A prefix or combining form of Diamine.

Note: [Also used adjectively.]

DIAMINE Di*am"ine (; 104), n. Etym: [Pref. di- + amine.] (Chem.)

Defn: A compound containing two amido groups united with one or more basic or positive radicals, -- as contrasted with a diamide.

Note: In chemical nomenclature, if any amine or diamine is named by prefixing the nitrogen group, the name of the latter takes the form of amido, diamido, etc., thus ethylene diamine, C2H4.(NH2)2, is also called diamido-ethylene.

DIAMOND Di"a*mond, n. Etym: [OE. diamaund, diamaunt, F. diamant, corrupted, fr. L. adamas, the hardest iron, steel, diamond, Gr. Adamant, Tame.]

1. A precious stone or gem excelling in brilliancy and beautiful play of prismatic colors, and remarkable for extreme hardness.

Note: The diamond is native carbon in isometric crystals, often octahedrons with rounded edges. It is usually colorless, but some are yellow, green, blue, and even black. It is the hardest substance known. The diamond as found in nature (called a rough diamond) is cut, for use in jewelry, into various forms with many reflecting faces, or facets, by which its brilliancy is much increased. See Brilliant, Rose. Diamonds are said to be of the first water when very transparent, and of the second or third water as the transparency decreases.

2. A geometrical figure, consisting of four equal straight lines, and having two of the interior angles acute and two obtuse; a rhombus; a lozenge.

3. One of a suit of playing cards, stamped with the figure of a diamond.

4. (Arch.)

Defn: A pointed projection, like a four-sided pyramid, used for ornament in lines or groups.

5. (Baseball)

Defn: The infield; the square space, 90 feet on a side, having the bases at its angles.

6. (Print.)

Defn: The smallest kind of type in English printing, except that called brilliant, which is seldom seen.

Note: * This line is printed in the type called Diamond. Black diamond, coal; (Min.) See Carbonado. -- Bristol diamond. See Bristol stone, under Bristol. -- Diamond beetle (Zoöl.), a large South American weevil (Entimus imperialis), remarkable for its splendid luster and colors, due to minute brilliant scales. -- Diamond bird (Zoöl.), a small Australian bird (Pardalotus punctatus, family Ampelidæ.). It is black, with white spots. -- Diamond drill (Engin.), a rod or tube the end of which is set with black diamonds; -- used for perforating hard substances, esp. for boring in rock. -- Diamond finch (Zoöl.), a small Australian sparrow, often kept in a cage. Its sides are black, with conspicuous white spots, and the rump is bright carmine. -- Diamond groove (Iron Working), a groove of V-section in a roll. -- Diamond mortar (Chem.), a small steel mortar used for pulverizing hard substances. -- Diamond-point tool, a cutting tool whose point is diamond-shaped. -- Diamond snake (Zoöl.), a harmless snake of Australia (Morelia spilotes); the carpet snake. -- Glazier's diamond, a small diamond set in a glazier's tool, for cutting glass.

DIAMOND Di"a*mond, a.

Defn: Resembling a diamond; made of, or abounding in, diamonds; as, a diamond chain; a diamond field.

DIAMOND ANNIVERSARY; DIAMOND JUBILEE Diamond anniversary, jubilee, etc.

Defn: One celebrated upon the completion of sixty, or, according to some, seventy-five, years from the beginning of the thing commemorated.

DIAMOND-BACK Di"a*mond-back`, n. (Zoöl.)

Defn: The salt-marsh terrapin of the Atlantic coast (Malacoclemmys palustris).

DIAMONDED Di"a*mond*ed, a.

1. Having figures like a diamond or lozenge.

2. Adorned with diamonds; diamondized. Emerson.

DIAMONDIZE Di"a*mond*ize, v. t.

Defn: To set with diamonds; to adorn; to enrich. [R.] Diamondizing of your subject. B. Jonson.

DIAMOND-SHAPED Di"a*mond-shaped`, a.

Defn: Shaped like a diamond or rhombus.

DIAMOND STATE Diamond State.

Defn: Delaware; -- a nickname alluding to its small size.

DIAMYLENE Di*am"y*lene, n. Etym: [Pref. di- + amylene.] (Chem.)

Defn: A liquid hydrocarbon, C10H20, of the ethylene series, regarded as a polymeric form of amylene.

DIAN Di"an, a

Defn: , Diana. [Poetic]

DIANA Di*a"na, n. Etym: [L. Diana.] (Myth.)

Defn: The daughter of Jupiter and Latona; a virgin goddess who presided over hunting, chastity, and marriage; -- identified with the Greek goddess Artemis. And chaste Diana haunts the forest shade. Pope. Diana monkey (Zoöl.), a handsome, white-bearded monkey of West Africa (Cercopithecus Diana).

DIANDRIA Di*an"dri*a, n. pl. Etym: [NL., fr. Gr. (Bot.)

Defn: A Linnæan class of plants having two stamens.

DIANDRIAN Di*an"dri*an, a.

Defn: Diandrous.

DIANDROUS Di*an"drous, n. Etym: [Cf. F. diandre.] (Bot.)

Defn: Of or pertaining to the class Diandria; having two stamens.

DIANIUM Di*a"ni*um, n. Etym: [NL., fr. L. Diana; either as the name of the Roman goddess, or from its use in OE. as a name of silver.] (Chem.)

Defn: Same as Columbium. [Obs.]

DIANOETIC Di`a*no*et"ic, a. Etym: [Gr. (Metaph.)

Defn: Pertaining to the discursive faculty, its acts or products. I would employ . . . dianoetic to denote the operation of the discursive, elaborative, or comparative faculty. Sir W. Hamilton.

DIANOIALOGY Di`a*noi*al"o*gy, n. Etym: [Gr. -logy.]

Defn: The science of the dianoetic faculties, and their operations. Sir W. Hamilton.

DIANTHUS Di*an"thus, n. Etym: [NL., fr. Gr. (Bot.)

Defn: A genus of plants containing some of the most popular of cultivated flowers, including the pink, carnation, and Sweet William.

DIAPASE Di"a*pase, n.

Defn: Same as Diapason. [Obs.] A tuneful diapase of pleasures. Spenser.

DIAPASM Di"a*pasm, n. Etym: [L. diapasma, Gr. diapasme.]

Defn: Powdered aromatic herbs, sometimes made into little balls and strung together. [Obs.]

DIAPASON Di`a*pa"son, n. Etym: [L., fr. Gr. i. e., diapason. Cf. Panacea.]

1. (Gr. Mus.)

Defn: The octave, or interval which includes all the tones of the diatonic scale.

2. Concord, as of notes an octave apart; harmony. The fair music that all creatures made . . . In perfect diapason. Milton.

3. The entire compass of tones. Through all the compass of the notes it ran, The diapason closing full in man. Dryden.

4. A standard of pitch; a tuning fork; as, the French normal diapason.

5. One of certain stops in the organ, so called because they extend through the scale of the instrument. They are of several kinds, as open diapason, stopped diapason, double diapason, and the like.

DIAPEDESIS Di`a*pe*de"sis, n. Etym: [NL., fr. Gr. (Med.)

Defn: The passage of the corpuscular elements of the blood from the blood vessels into the surrounding tissues, without rupture of the walls of the blood vessels.

DIAPENTE Di`a*pen"te, n. Etym: [L., fr. Gr. diapente.]

1. (Anc. Mus.)

Defn: The interval of the fifth.

2. (Med.)

Defn: A composition of five ingredients.

DIAPER Di"a*per, n. Etym: [OF. diaspre, diapre, diaspe, sort of figured cloth, It. diaspro jasper, diaspo figured cloth, from L.jaspis a green-colored precious stone. See Jasper.]

1. Any textile fabric (esp. linen or cotton toweling) woven in diaper pattern. See 2.

2. (Fine Arts)

Defn: Surface decoration of any sort which consists of the constant repetition of one or more simple figures or units of design evenly spaced.

3. A towel or napkin for wiping the hands, etc. Let one attend him with a silver basin, . . . Another bear the ewer, the third a diaper. Shak.

4. An infant's breechcloth.

DIAPER Di"a*per, v. t.

1. To ornament with figures, etc., arranged in the pattern called diaper, as cloth in weaving. "Diapered light." H. Van Laun. Engarlanded and diapered With in wrought flowers. Tennyson.

2. To put a diaper on (a child).

DIAPER Di"a*per, v. i.

Defn: To draw flowers or figures, as upon cloth. "If you diaper on folds." Peacham.

DIAPERING Di"a*per*ing, n.

Defn: Same as Diaper, n.,

2.

DIAPHANE Di"a*phane, n. Etym: [Cf. F. diaphane diaphanous. See Diaphanous.]

Defn: A woven silk stuff with transparent and colored figures; diaper work.

DIAPHANED Di"a*phaned, a. Etym: [Cf. OF. diaphaner to make transparent. See Diaphanous.]

Defn: Transparent or translucent. [R.]

DIAPHANEITY Di`a*pha*ne"i*ty, n. Etym: [Cf. F. diaphanéité. See Diaphanous.]

Defn: The quality of being diaphanous; transparency; pellucidness.

DIAPHANIC Di`a*phan"ic, a. Etym: [See Diaphanous.]

Defn: Having power to transmit light; transparent; diaphanous.

DIAPHANIE Di*aph"a*nie, n.

Defn: The art of imitating

DIAPHANOMETER Di`a*pha*nom"e*ter, n. Etym: [Gr. -meter.]

Defn: An instrument for measuring the transparency of the air.

DIAPHANOSCOPE Di`a*phan"o*scope, n. Etym: [Gr. -scope.] (Photog.)

Defn: A dark box constructed for viewing transparent pictures, with or without a lens.

DIAPHANOTYPE Di`a*phan"o*type, n. Etym: [Gr. -type.] (Photog.)

Defn: A colored photograph produced by superimposing a translucent colored positive over a strong uncolored one.

DIAPHANOUS Di*aph"a*nous, a. Etym: [Gr. diaphane. See Phantom, and cf. Diaphane, Diaphanic.]

Defn: Allowing light to pass through, as porcelain; translucent or transparent; pellucid; clear. Another cloud in the region of them, light enough to be fantastic and diaphanous. Landor.

DIAPHANOUSLY Di*aph"a*nous*ly, adv.

Defn: Translucently.

DIAPHEMETRIC Di*aph`e*met"ric, a. Etym: [Gr. (Physiol.)

Defn: Relating to the measurement of the tactile sensibility of parts; as, diaphemetric compasses. Dunglison.

DIAPHONIC; DIAPHONICAL Di`a*phon"ic, Di`a*phon"ic*al, a. Etym: [Gr.

Defn: Diacoustic.

DIAPHONICS Di`a*phon"ics, n.

Defn: The doctrine of refracted sound; diacoustics.

DIAPHORESIS Di`a*pho*re"sis, n. Etym: [L., fr. Gr. (Med.)

Defn: Perspiration, or an increase of perspiration.

DIAPHORETIC; DIAPHORETICAL Di`a*pho*ret"ic, Di`a*pho*ret"ic*al, a. Etym: [L. diaphoreticus, Gr. diaphorétique. See Diaphoresis.]

Defn: Having the power to increase perspiration.

DIAPHORETIC Di`a*pho*ret"ic, n. (Med.)

Defn: A medicine or agent which promotes perspiration.

Note: Diaphoretics differ from sudorifics; the former only increase the insensible perspiration, the latter excite the sensible discharge called sweat. Parr.

DIAPHOTE Di"a*phote, n. Etym: [Pref. dia- + Gr. (Elec.)

Defn: An instrument designed for transmitting pictures by telegraph. Fallows.

DIAPHRAGM Di"a*phragm, n. Etym: [L. diaphragma, Gr. fareire to stuff: cf. F. diaphragme. See Farce.]

1. A dividing membrane or thin partition, commonly with an opening through it.

2. (Anat.)

Defn: The muscular and tendinous partition separating the cavity of the chest from that of the abdomen; the midriff.

3. (Zoöl.)

Defn: A calcareous plate which divides the cavity of certain shells into two parts.

4. (Opt.)

Defn: A plate with an opening, which is generally circular, used in instruments to cut off marginal portions of a beam of light, as at the focus of a telescope.

5. (Mach.)