Defn: The governor of Algiers; — so called before the French conquest in 1830.
DEYEDeye, v. i.
Defn: To die. [Obs.] Chaucer.
DEYNTE; DEYNTEEDeyn"te, Deyn"tee, n. & a.
Defn: See Dainty. [Obs.] Chaucer.
DEZINCIFICATIONDe*zinc`i*fi*ca"tion, n.
Defn: The act or process of freeing from zinc; also, the condition resulting from the removal of zinc.
DEZINCIFYDe*zinc"i*fy, v. t. Etym: [Pref. de- + zinc + -fy.]
Defn: To deprive of, or free from, zinc.
DHOLEDhole, 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.
DHONYDho"ny, n.
Defn: A Ceylonese boat. See Doni.
DHOORRA; DHOURRA; DHURRADhoor"ra, Dhour"ra, or Dhur"ra (, n.
Defn: Indian millet. See Durra.
DHOWDhow, 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.
DIABASEDi"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.
DIABATERIALDi*ab`a*te"ri*al, a. Etym: [Gr. Diabase.]
Defn: Passing over the borders. [R.] Mitford.
DIABETESDi`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; DIABETICALDi`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; DIABLEYDia`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; DIABOLICALDi`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.
DIABOLIFYDi`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.
DIABOLISMDi*ab"o*lism, n.
1. Character, action, or principles appropriate to the devil.
2. Possession by the devil. Bp. Warburton.
DIABOLIZEDi*ab"o*lize, v. t.
Defn: To render diabolical. [R.]
DIABOLODi*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.
DIACATHOLICONDi`a*ca*thol"i*con, n. Etym: [Pref. dia- + catholicon.] (Med.)
Defn: A universal remedy; — name formerly to a purgative electuary.
DIACAUSTICDi`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.
DIACAUSTICDi`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; DIACHYLUMDi*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.
DIACIDDi*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.
DIACODIUMDi`a*co"di*um, n. Etym: [L., from Gr.
Defn: A sirup made of poppies.
DIACONALDi*ac"o*nal, a. Etym: [LL. diaconalis: cf. F. diaconal. Cf. Deacon.]
Defn: Of or pertaining to a deacon.
DIACONATEDi*ac"o*nate, n. Etym: [L. diaconatus: cf. F. diaconat.]
Defn: The office of a deacon; deaconship; also, a body or board of deacons.
DIACONATEDi*ac"o*nate, a.
Defn: Governed by deacons. "Diaconate church." T. Goodwin.
DIACOPEDi*ac"o*pe, n. Etym: [L., fr. Gr. (Gram.)
Defn: Tmesis.
DIACOUSTICDi`a*cous"tic, a. Etym: [Pref. di- + acoustic.]
Defn: Pertaining to the science or doctrine of refracted sounds.
DIACOUSTICSDi`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; DIACRITICALDi`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.
DIACTINICDi`ac*tin"ic, a. Etym: [Pref. di- + actinic.] (Physics)
Defn: Capable of transmitting the chemical or actinic rays of light; as, diactinic media.
DIADELPHIADi`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; DIADELPHOUSDi`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).
DIADEMDi"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 acoronet), and uniting with others over its center. Diadem lemur.(Zoöl.) See Indri.— Diadem spider (Zoöl.), the garden spider.
DIADEMDi"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.
DIADROMDi"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.
DIAERETICDi`æ*ret"ic, a. Etym: [Gr. (Med.)
Defn: Caustic. [Obs.]
DIAGEOTROPICDi`a*ge`o*trop"ic, a. Etym: [Gr. (Bot.)
Defn: Relating to, or exhibiting, diageotropism.
DIAGEOTROPISMDi`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.
DIAGLYPHDi"a*glyph, n. Etym: [Gr.
Defn: An intaglio. Mollett.
DIAGLYPHIC; DIAGLYPHTICDi`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.
DIAGNOSEDi`ag*nose", v. t. & i.
Defn: To ascertain by diagnosis; to diagnosticate. See Diagnosticate.
DIAGNOSISDi`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.
DIAGNOSTICDi`ag*nos"tic, a. Etym: [Gr. diagnostique.]
Defn: Pertaining to, or furnishing, a diagnosis; indicating the nature of a disease.
DIAGNOSTICDi`ag*nos"tic, n.
Defn: The mark or symptom by which one disease is known or distinguished from others.
DIAGNOSTICATEDi`ag*nos"ti*cate, v. t. & i. Etym: [From Diagnostic.]
Defn: To make a diagnosis of; to recognize by its symptoms, as a disease.
DIAGNOSTICSDi`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.
DIAGOMETERDi`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.
DIAGONALDi*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.
DIAGONALDi*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.
DIAGONALLYDi*ag"o*nal*ly, adv.
Defn: In a diagonal direction.
DIAGONIALDi`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.
DIAGRAMDi"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
DIAGRAMDi"a*gram, v. t.
Defn: To put into the form of a diagram.
DIAGRAMMATICDi`a*gram*mat"ic, a.
Defn: Pertaining to, or of the nature of, a diagram; showing bydiagram.— Di`a*gram*mat"ic*ly, adv.
DIAGRAPHDi"a*graph, n. Etym: [Gr. diagraphe. See Diagram.]
Defn: A drawing instrument, combining a protractor and scale.
DIAGRAPHIC; DIAGRAPHICALDi`a*graph"ic, Di`a*graph"ic*al, a. Etym: [Cf. F. diagraphique.]
Defn: Descriptive.
DIAGRAPHICSDi`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.
DIAHELIOTROPICDi`a*he`li*o*trop"ic, a. Etym: [Gr. (Bot.)
Defn: Relating or, or manifesting, diaheliotropism.
DIAHELIOTROPISMDi`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.
DIALDi"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.
DIALECTDi"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, andIdiom.
DIALECTALDi`a*lec"tal, a.
Defn: Relating to a dialect; dialectical; as, a dialectical variant.
DIALECTICDi`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.
DIALECTICALLYDi`a*lec"tic*al*ly, adv.
Defn: In a dialectical manner.
DIALECTICIANDi`a*lec*ti"cian, n. Etym: [Cf. F. dialecticien.]
Defn: One versed in dialectics; a logician; a reasoner.
DIALECTICSDi`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.
DIALECTOLOGYDi`a*lec*tol"o*gy, n. Etym: [Dialect + -logy.]
Defn: That branch of philology which is devoted to the consideration of dialects. Beck.
DIALECTORDi`a*lec"tor, n.
Defn: One skilled in dialectics.
DIALINGDi"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.
DIALISTDi"al*ist, n.
Defn: A maker of dials; one skilled in dialing.
DIALLAGEDi*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.
DIALLAGEDi"al*lage, n. Etym: [Gr. (Min.)
Defn: A dark green or bronze-colored laminated variety of pyroxene, common in certain igneous rocks.
DIALLELDi"al*lel, a. Etym: [Gr.
Defn: Meeting and intersecting, as lines; not parallel; — opposed to parallel. [Obs.] Ash.
DIALLYLDi*al"lyl, n. (Chem.)
Defn: A volatile, pungent, liquid hydrocarbon, C6H10, consisting of two allyl radicals, and belonging to the acetylene series.
DIALOGICALDi`a*log"ic*al, a. Etym: [Gr.
Defn: Relating to a dialogue; dialogistical. Burton.
DIALOGICALLYDi`a*log"ic*al*ly, adv.
Defn: In the manner or nature of a dialogue. Goldsmith.
DIALOGISMDi*al"o*gism, n. Etym: [Gr. dialogisme. See Dialogue.]
Defn: An imaginary speech or discussion between two or more; dialogue. Fulke.
DIALOGISTDi*al"o*gist, n. Etym: [L. dialogista: cf. F. dialogiste.]
1. A speaker in a dialogue.
2. A writer of dialogues. P. Skelton.
DIALOGISTIC; DIALOGISTICALDi*al`o*gis"tic, Di*al`o*gis"tic*al, a. Etym: [Gr.
Defn: Pertaining to a dialogue; having the form or nature of adialogue.— Di*al`o*gis"tic*al*ly, adv.
DIALOGITEDi*al"o*gite, n. Etym: [From Gr. (Min.)
Defn: Native carbonate of manganese; rhodochrosite.
DIALOGIZEDi*al"o*gize, v. t. Etym: [Gr. dialogiser.]
Defn: To discourse in dialogue. Fotherby.
DIALOGUEDi"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.
DIALOGUEDi"a*logue, v. i. Etym: [Cf. F. dialoguer.]
Defn: To take part in a dialogue; to dialogize. [R.] Shak.
DIALOGUEDi"a*logue, v. t.
Defn: To express as in dialogue. [R.]And dialogued for him what he would say. Shak.
DIALYPETALOUSDi`al*y*pet"al*ous, a. Etym: [Gr. (Bot.)
Defn: Having separate petals; polypetalous.
DIALYSISDi*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.
DIALYTICDi`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.
DIALYZATEDi*al"y*zate, n. (Chem.)
Defn: The material subjected to dialysis.
DIALYZATIONDi`a*ly*za"tion, n. (Chem.)
Defn: The act or process of dialysis.
DIALYZEDi"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.]
DIALYZEDDi"a*lyzed, a.
Defn: Prepared by diffusion through an animal membrane; as, dialyzed iron.
DIALYZERDi"a*ly`zer, n.
Defn: The instrument or medium used to effect chemical dialysis.
DIAMAGNETDi`a*mag"net, n. Etym: [Pref. dia- + magnet.]
Defn: A body having diamagnetic polarity.
DIAMAGNETICDi`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.
DIAMAGNETICDi`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.
DIAMAGNETICALLYDi`a*mag*net"ic*al*ly, adv.
Defn: In the manner of, or according to, diamagnetism.
DIAMAGNETISMDi`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.
DIAMANTIFEROUSDi`a*man*tif"er*ous, a. Etym: [F. diamant diamond + -ferous.]
Defn: Yielding diamonds.
DIAMANTINEDi`a*man"tine, a.
Defn: Adamantine. [Obs.]
DIAMETERDi*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.
DIAMETRALDi*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 systemof parallel chords drawn in a curve or surface.— Diametral planes (Crystal.), planes in which two of the axes lie.
DIAMETRALDi*am"e*tral, n.
Defn: A diameter. [Obs.] Sir T. Browne.
DIAMETRALLYDi*am"e*tral*ly, adv.
Defn: Diametrically.
DIAMETRIC; DIAMETRICALDi*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.
DIAMETRICALLYDi*am"e*tric*al*ly, adv.
Defn: In a diametrical manner; directly; as, diametrically opposite.Whose principles were diametrically opposed to his. Macaulay.
DIAMIDEDi*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.]
DIAMINEDi*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.
DIAMONDDi"a*mond, a.
Defn: Resembling a diamond; made of, or abounding in, diamonds; as, a diamond chain; a diamond field.
DIAMOND ANNIVERSARY; DIAMOND JUBILEEDiamond 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-BACKDi"a*mond-back`, n. (Zoöl.)
Defn: The salt-marsh terrapin of the Atlantic coast (Malacoclemmys palustris).
DIAMONDEDDi"a*mond*ed, a.
1. Having figures like a diamond or lozenge.
2. Adorned with diamonds; diamondized. Emerson.
DIAMONDIZEDi"a*mond*ize, v. t.
Defn: To set with diamonds; to adorn; to enrich. [R.]Diamondizing of your subject. B. Jonson.
DIAMOND-SHAPEDDi"a*mond-shaped`, a.
Defn: Shaped like a diamond or rhombus.
DIAMOND STATEDiamond State.
Defn: Delaware; — a nickname alluding to its small size.
DIAMYLENEDi*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.
DIANDi"an, a
Defn: , Diana. [Poetic]
DIANADi*a"na, n. Etym: [L. Diana.] (Myth.)
Defn: The daughter of Jupiter and Latona; a virgin goddess whopresided over hunting, chastity, and marriage; — identified with theGreek goddess Artemis.And chaste Diana haunts the forest shade. Pope.Diana monkey (Zoöl.), a handsome, white-bearded monkey of West Africa(Cercopithecus Diana).
DIANDRIADi*an"dri*a, n. pl. Etym: [NL., fr. Gr. (Bot.)
Defn: A Linnæan class of plants having two stamens.
DIANDRIANDi*an"dri*an, a.
Defn: Diandrous.
DIANDROUSDi*an"drous, n. Etym: [Cf. F. diandre.] (Bot.)
Defn: Of or pertaining to the class Diandria; having two stamens.
DIANIUMDi*a"ni*um, n. Etym: [NL., fr. L. Diana; either as the name of theRoman goddess, or from its use in OE. as a name of silver.] (Chem.)
Defn: Same as Columbium. [Obs.]
DIANOETICDi`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.
DIANOIALOGYDi`a*noi*al"o*gy, n. Etym: [Gr. -logy.]
Defn: The science of the dianoetic faculties, and their operations.Sir W. Hamilton.
DIANTHUSDi*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.
DIAPASEDi"a*pase, n.
Defn: Same as Diapason. [Obs.]A tuneful diapase of pleasures. Spenser.
DIAPASMDi"a*pasm, n. Etym: [L. diapasma, Gr. diapasme.]
Defn: Powdered aromatic herbs, sometimes made into little balls and strung together. [Obs.]
DIAPASONDi`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.
DIAPEDESISDi`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.
DIAPENTEDi`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.
DIAPERDi"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).
DIAPERDi"a*per, v. i.
Defn: To draw flowers or figures, as upon cloth. "If you diaper on folds." Peacham.
DIAPERINGDi"a*per*ing, n.
Defn: Same as Diaper, n.,
2.
DIAPHANEDi"a*phane, n. Etym: [Cf. F. diaphane diaphanous. See Diaphanous.]
Defn: A woven silk stuff with transparent and colored figures; diaper work.
DIAPHANEDDi"a*phaned, a. Etym: [Cf. OF. diaphaner to make transparent. SeeDiaphanous.]
Defn: Transparent or translucent. [R.]
DIAPHANEITYDi`a*pha*ne"i*ty, n. Etym: [Cf. F. diaphanéité. See Diaphanous.]
Defn: The quality of being diaphanous; transparency; pellucidness.
DIAPHANICDi`a*phan"ic, a. Etym: [See Diaphanous.]
Defn: Having power to transmit light; transparent; diaphanous.
DIAPHANIEDi*aph"a*nie, n.
Defn: The art of imitating
DIAPHANOMETERDi`a*pha*nom"e*ter, n. Etym: [Gr. -meter.]
Defn: An instrument for measuring the transparency of the air.
DIAPHANOSCOPEDi`a*phan"o*scope, n. Etym: [Gr. -scope.] (Photog.)
Defn: A dark box constructed for viewing transparent pictures, with or without a lens.
DIAPHANOTYPEDi`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.
DIAPHANOUSDi*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.
DIAPHANOUSLYDi*aph"a*nous*ly, adv.
Defn: Translucently.
DIAPHEMETRICDi*aph`e*met"ric, a. Etym: [Gr. (Physiol.)
Defn: Relating to the measurement of the tactile sensibility of parts; as, diaphemetric compasses. Dunglison.
DIAPHONIC; DIAPHONICALDi`a*phon"ic, Di`a*phon"ic*al, a. Etym: [Gr.
Defn: Diacoustic.
DIAPHONICSDi`a*phon"ics, n.
Defn: The doctrine of refracted sound; diacoustics.
DIAPHORESISDi`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.
DIAPHORETICDi`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.
DIAPHOTEDi"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.)
Defn: A partition in any compartment, for various purposes. Diaphragm pump, one in which a flexible diaphragm takes the place of a piston.
DIAPHRAGMATICDi`a*phrag*mat"ic, a. Etym: [Cf. F. diaphragmatique.]
Defn: Pertaining to a diaphragm; as, diaphragmatic respiration; the diaphragmatic arteries and nerves.
DIAPHYSISDi*aph"y*sis, n. Etym: [Gr.
1. (Bot.)
Defn: An abnormal prolongation of the axis of inflorescence.
2. (Anat.)
Defn: The shaft, or main part, of a bone, which is first ossified.
DIAPNOICDi`ap*no"ic, a. Etym: [Gr. diapnoïque.] (Med.)
Defn: Slightly increasing an insensible perspiration; mildly diaphoretic. — n.
Defn: A gentle diaphoretic.
DIAPOPHYSICALDi*ap`o*phys"ic*al, a. (Anat.)
Defn: Pertaining to a diapophysis.
DIAPOPHYSISDi`a*poph"y*sis, n. Etym: [NL. See Dia-, and Apophysis.] (Anat.)
Defn: The dorsal transverse, or tubercular, process of a vertebra.See Vertebra.
DIARCHYDi"arch*y, n. Etym: [Gr.
Defn: A form of government in which the supreme power is vested in two persons.
DIARIAL; DIARIANDi*a"ri*al, Di*a"ri*an, a. Etym: [See Diary.]
Defn: Pertaining to a diary; daily.
DIARISTDi"a*rist, n.
Defn: One who keeps a diary.
DIARRHEA; DIARRHOEADi`ar*rhe"a, Di`ar*rhoe"a, n. Etym: [L. diarrhoea, Gr. stream. SeeStream.] (Med.)
Defn: A morbidly frequent and profuse discharge of loose or fluid evacuations from the intestines, without tenesmus; a purging or looseness of the bowels; a flux.
DIARRHEAL; DIARRHOEALDi`ar*rhe"al, Di`ar*rhoe"al a. (Med.)
Defn: Of or pertaining to diarrhea; like diarrhea.
DIARRHETIC; DIARRHOETICDi`ar*rhet"ic, Di`ar*rhoet"ic, a. (Med.)
Defn: Producing diarrhea, or a purging.
DIARTHRODIALDi`ar*thro"di*al, a. (Anat.)
Defn: Relating to diarthrosis, or movable articulations.
DIARTHROSISDi`ar*thro"sis, n. Etym: [NL., fr. Gr. (Anat.)
Defn: A form of articulation which admits of considerable motion; a complete joint; abarticulation. See Articulation.
DIARYDi"a*ry, n.; pl. Diaries. Etym: [L. diarium, fr. dies day. SeeDeity.]
Defn: A register of daily events or transactions; a daily record; a journal; a blank book dated for the record of daily memoranda; as, a diary of the weather; a physician's diary.
DIARYDi"a*ry, a.
Defn: lasting for one day; as, a diary fever. [Obs.] "Diary ague."Bacon.
DIASPORA Di*as"po*ra, n. [Gr. . See Diaspore.] Lit., "Dispersion." — applied collectively: (a) To those Jews who, after the Exile, were scattered through the Old World, and afterwards to Jewish Christians living among heathen. Cf. James i.1. (b) By extension, to Christians isolated from their own communion, as among the Moravians to those living, usually as missionaries, outside of the parent congregation.
DIASPOREDi"a*spore, n. Etym: [From Gr. diaspore.] (Min.)
Defn: A hydrate of alumina, often occurring in white lamellar masses with brilliant pearly luster; — so named on account of its decrepitating when heated before the blowpipe.
DIASTASEDi"a*stase, n. Etym: [Gr. diastase. Cf. Diastasis.] (Physiol. Chem.)
Defn: A soluble, nitrogenous ferment, capable of converting starch and dextrin into sugar.
Note: The name is more particularly applied to that ferment formed during the germination of grain, as in the malting of barley; but it is also occasionally used to designate the amylolytic ferment contained in animal fluids, as in the saliva.
DIASTASICDi`a*sta"sic, a.
Defn: Pertaining to, or consisting of, diastase; as, diastasic ferment.
DIASTASISDi*as"ta*sis, n. Etym: [NL. See Diastase.] (Surg.)
Defn: A forcible of bones without fracture.
DIASTATICDi`a*stat"ic, a. Etym: [Gr. Diastase.] (Physiol. Chem.)
Defn: Relating to diastase; having the properties of diastase; effecting the conversion of starch into sugar. The influence of acids and alkalies on the diastatic action of saliva. Lauder Brunton.
DIASTEM Di"a*stem, n. Etym: [L. diastema, Gr. diastème.] (a) Intervening space; interval. (b) (Anc. Mus.) An interval.
DIASTEMADi`a*ste"ma, n. Etym: [L. See Diastem.] (Anat.)
Defn: A vacant space, or gap, esp. between teeth in a jaw.
DIASTERDi*as"ter, n. Etym: [Gr. (Biol.)
Defn: A double star; — applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei. See Karyokinesis.
DIASTOLEDi*as"to*le, n. Etym: [L., fr. Gr.
1. (Physiol.)
Defn: The rhythmical expansion or dilatation of the heart and arteries; — correlative to systole, or contraction.
2. (Gram.)
Defn: A figure by which a syllable naturally short is made long.
DIASTOLICDi`as*tol"ic, a. (Physiol.)
Defn: Of or pertaining to diastole.
DIASTYLEDi"a*style, n. Etym: [L. diastylus, Gr. diastyle.] (Arch.)
Defn: See under Intercolumniation.
DIATESSARONDi`a*tes"sa*ron, n. Etym: [L., fr. Gr.
1. (Anc. Mus.)
Defn: The interval of a fourth.
2. (Theol.)
Defn: A continuous narrative arranged from the first four books of the New Testament.
3. An electuary compounded of four medicines.
DIATHERMALDi`a*ther"mal, a. Etym: [Gr. Diathermous.]
Defn: Freely permeable by radiant heat.
DIATHERMANCY; DIATHERMANEITYDi`a*ther"man*cy, Di`a*ther`ma*ne"i*ty, n. Etym: [See Diathermanous.]
Defn: The property of transmitting radiant heat; the quality of being diathermous. Melloni.
DIATHERMANISMDi`a*ther"ma*nism, n.
Defn: The doctrine or the phenomena of the transmission of radiant heat. Nichol.
DIATHERMANOUSDi`a*ther"ma*nous, a. Etym: [Gr.
Defn: Having the property of transmitting radiant heat; diathermal; - - opposed to athermanous.
DIATHERMICDi`a*ther"mic, a.
Defn: Affording a free passage to heat; as, diathermic substances.Melloni.
DIATHERMOMETERDi`a*ther*mom"e*ter, n. Etym: [Gr. -meter. See Diathermal.] (Physics)
Defn: An instrument for examining the thermal resistance or heat- conducting power of liquids.
DIATHERMOUSDi`a*ther"mous, a.
Defn: Same as Diathermal.
DIATHESISDi*ath"e*sis, n. Etym: [NL., fr. Gr. (Med.)
Defn: Bodily condition or constitution, esp. a morbid habit which predisposes to a particular disease, or class of diseases.
DIATHETICDi`a*thet"ic, a.
Defn: Pertaining to, or dependent on, a diathesis or special constitution of the body; as, diathetic disease.
DIATOMDi"a*tom, n. Etym: [Gr. Diatomous.]
1. (Bot.)
Defn: One of the Diatomaceæ, a family of minute unicellular Algæ having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariæ, but this word is not in general use.
2. A particle or atom endowed with the vital principle. The individual is nothing. He is no more than the diatom, the bit of protoplasm. Mrs. E. Lynn Linton.
DIATOMIC Di`a*tom"ic, a. Etym: [Pref. di- + atomic.] (Chem.) (a) Containing two atoms. (b) Having two replaceable atoms or radicals.
DIATOMOUSDi*at"o*mous, a. Etym: [Gr. Diatom.] (Min.)
Defn: Having a single, distinct, diagonal cleavage; — said of crystals. Mohs.
DIATONICDi`a*ton"ic, a. Etym: [L. diatonicus, diatonus, Gr. diatonique. SeeTone.] (Mus.)
Defn: Pertaining to the scale of eight tones, the eighth of which is the octave of the first. Diatonic scale (Mus.), a scale consisting of eight sounds with seven intervals, of which two are semitones and five are whole tones; a modern major or minor scale, as distinguished from the chromatic scale.
DIATONICALLYDi`a*ton"ic*al*ly, adv.
Defn: In a diatonic manner.
DIATRIBEDi"a*tribe, n. Etym: [L. diatriba a learned discussion, Gr. terere,F. trite: cf. F. diatribe.]
Defn: A prolonged or exhaustive discussion; especially, anacrimonious or invective harangue; a strain of abusive or railinglanguage; a philippic.The ephemeral diatribe of a faction. John Morley.
DIATRIBISTDi*at"ri*bist, n.
Defn: One who makes a diatribe or diatribes.
DIATRYMADi`a*try"ma, n. Etym: [NL., from Gr. (Paleon.)
Defn: An extinct eocene bird from New Mexico, larger than the ostrich.
DIAZEUCTIC; DIAZEUTICDi`a*zeuc"tic, Di`a*zeu"tic, a. Etym: [Gr. (Anc. Mus.)
Defn: Disjoining two fourths; as, the diazeutic tone, which, like that from F to G in modern music, lay between two fourths, and, being joined to either, made a fifth. [Obs.]
DIAZO-Di*az"o- (. Etym: [Pref. di- + azo-] (Chem.)
Defn: A combining form (also used adjectively), meaning pertaining to, or derived from, a series of compounds containing a radical of two nitrogen atoms, united usually to an aromatic radical; as, diazo- benzene, C6H5.N2.OH.
Note: Diazo compounds are in general unstable, but are of great importance in recent organic chemistry. They are obtained by a partial reduction of the salts of certain amido compounds. Diazo reactions (Chem.), a series of reactions whereby diazo compounds are employed in substitution. These reactions are of great importance in organic chemistry.
DIAZOTIZEDi*az"o*tize, v. t. (Chem.)
Defn: To subject to such reactions or processes that diazo compounds, or their derivatives, shall be produced by chemical exchange or substitution.
DIBDib, v. i.
Defn: To dip. [Prov. Eng.] Walton.
DIBDib, n.
1. One of the small bones in the knee joints of sheep uniting the bones above and below the joints.
2. pl.
Defn: A child's game, played with dib bones.
DIBASICDi*ba"sic, a. Etym: [Pref. di- + basic.] (Chem.)
Defn: Having two acid hydrogen atoms capable of replacement by basic atoms or radicals, in forming salts; bibasic; — said of acids, as oxalic or sulphuric acids. Cf. Diacid, Bibasic.
Note: In the case of certain acids dibasic and divalent are not synonymous; as, tartaric acid is tetravalent and dibasic, lactic acid is divalent but monobasic.
DIBASICITYDi`ba*sic"i*ty, n. (Chem.)
Defn: The property or condition of being dibasic.
DIBBERDib"ber, n.
Defn: A dibble. Halliwell.
DIBBLEDib"ble, n. Etym: [See Dibble, v. i.]
Defn: A pointed implement used to make holes in the ground in which no set out plants or to plant seeds.
DIBBLEDib"ble, v. i. [imp. & p. p. Dibbled; p. pr. & vb. n. Dibbling.]Etym: [Freq. of Prov. E. dib, for dip to thrust in. See Dip.]
Defn: To dib or dip frequently, as in angling. Walton.
DIBBLEDib"ble, v. t.
1. To plant with a dibble; to make holes in (soil) with a dibble, for planting.
2. To make holes or indentations in, as if with a dibble. The clayey soil around it was dibbled thick at the time by the tiny hoofs of sheep. H. Miller.
DIBBLERDib"bler, n.
Defn: One who, or that which, dibbles, or makes holes in the ground for seed.
DIBRANCHIATADi*bran`chi*a"ta, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: An order of cephalopods which includes those with two gills, an apparatus for emitting an inky fluid, and either eight or ten cephalic arms bearing suckers or hooks, as the octopi and squids. See Cephalopoda.
DIBRANCHIATEDi*bran"chi*ate, a. (Zoöl.)
Defn: Having two gills.— n.
Defn: One of the Dibranchiata.
DIBSDibs, n.
Defn: A sweet preparation or treacle of grape juice, much used in theEast. Johnston.
DIBSTONEDib"stone` (; 110), n.
Defn: A pebble used in a child's game called dibstones. Locke.
DIBUTYLDi*bu"tyl, n. Etym: [Pref. di- + butyl.] (Chem.)
Defn: A liquid hydrocarbon, C8H18, of the marsh-gas series, being one of several octanes, and consisting of two butyl radicals. Cf. Octane.
DICACIOUSDi*ca"cious, a. Etym: [L. dicax, dicacis, fr. dicere to say.]
Defn: Talkative; pert; saucy. [Obs.]
DICACITYDi*cac"i*ty, n. Etym: [L. dicacitas: cf. F. dicacité. See Dicacious.]
Defn: Pertness; sauciness. [Obs.]
DICALCICDi*cal"cic, a. Etym: [Pref. di- + calcic.] (Chem.)
Defn: Having two atoms or equivalents of calcium to the molecule.
DICARBONICDi`car*bon"ic, a. Etym: [Pref. di- + carbonic.] (Chem.)
Defn: Containing two carbon residues, or two carboxyl or radicals; as, oxalic acid is a dicarbonic acid.
DICASTDi"cast, n. Etym: [Gr.
Defn: A functionary in ancient Athens answering nearly to the modern juryman.
DICASTERYDi*cas"ter*y, n. Etym: [Gr. Dicast.]
Defn: A court of justice; judgment hall. [R.] J. S. Mill.