DIAMESOGAMOUS, d[=i]-a-me-sog'a-mus, _adj._ (_bot._) fertilised by intermediary means.
DIAMETER, d[=i]-am'e-t[.e]r, _n._ the measure through or across: a straight line passing through the centre of a circle or other figure, terminated at both ends by the circumference.--_adjs._ DIAM'ETRAL, DIAMET'RIC, -AL, in the direction of a diameter: pertaining to the diameter: like the opposite ends of the diameter (as in _diametrical opposition_).--_advs._ DIAM'ETRALLY, in a diametral manner; DIAMET'RICALLY, exactly.--TACTICAL DIAMETER, the space covered by a steamer in turning 180 out of her original course. [Through Fr. and L. from Gr. _diametros_--_dia_, through, _metrein_, to measure.]
DIAMOND, d[=i]'a-mond, _n._ the most valuable of all gems, and the hardest of all substances: a four-sided figure with two obtuse and two acute angles: one of the four suits of cards: one of the smallest kinds of English printing type.--_adj._ resembling diamonds: made of diamonds: marked with diamonds: lozenge-shaped, rhombic.--_ns._ D[=I]'AMOND-BEE'TLE, a beautiful sparkling South American weevil; D[=I]'AMOND-CUT'TING, diamond-setting; D[=I]'AMOND-DRILL, an annular borer whose bit is set with borts; D[=I]'AMOND-DUST, D[=I]'AMOND-POW'DER, the powder made by the friction of diamonds on one another in the course of polishing.--_adjs._ D[=I]'AMONDED, furnished with diamonds; DIAMONDIF'EROUS, yielding diamonds.--_n._ D[=I]'AMOND-WHEEL, a wheel covered with diamond-dust and oil for polishing diamonds and other precious stones.--DIAMOND CUT DIAMOND, the case of an encounter between two very sharp persons.--ROUGH DIAMOND, an uncut diamond: a person of great worth, though of rude exterior and unpolished manners. [M. E. _adamaunt_--O. Fr. _adamant_--L. _adamanta_, accus. of _adamas_--Gr. _adamas_, _adamantos_, adamant--_a_, not, _damaein_, to tame.]
DIANA, di-[=a]'na, or d[=i]-an'a, _n._ an ancient Italian goddess of light, the moon-goddess, representative of chastity and hunting, afterwards identified with the Greek Artemis.--DIANA OF THE EPHESIANS, a goddess of fertility worshipped at _Ephesus_.
DIANDRIA, d[=i]-an'dri-a, _n._ a class of plants in the Linnaean system having two stamens.--_n._ DIAN'DER, a plant with two stamens.--_adjs._ DIAN'DRIAN, DIAN'DROUS. [Gr. _dis_, twice, double, _an[=e]r_, _andros_, a man.]
DIANODAL, d[=i]-a-n[=o]'dal, _adj._ (_math._) passing through a node.
DIANOETIC, d[=i]-a-n[=o]-et'ik, _adj._ capable of thought, thinking: belonging to the ratiocinative faculties of the mind. [Gr.
_diano[=e]tikos_--_dia_, through, _noein_, to think.]
DIANTHUS, d[=i]-an'thus, _n._ the genus of herbaceous flowers to which carnations and pinks belong. [Gr. _dianth[=e]s_--_dis_, _di-_, two, _anthos_, a flower.]
DIAPASON, d[=i]-a-p[=a]'zon, _n._ a whole octave: a harmony: a full volume of various sounds in concord: correct pitch: the two foundation-stops of an organ (_open_ and _stopped diapason_)--(_Spens._) D[=I]'APASE. [Gr. _dia_, through, and _pas[=o]n_, gen. pl. of _pas_, all--part of the Gr. phrase, _dia pas[=o]n chord[=o]n symph[=o]nia_, concord through all the notes.]
DIAPEDESIS, d[=i]-a-pe-d[=e]'sis, _n._ (_physiol._) the migration of white blood-corpuscles through the walls of the blood-vessels without apparent rupture.--_adj._ DIAPEDET'IC. [Gr., _dia_, through, _p[=e]dan_, to leap.]
DIAPENTE, d[=i]-a-pen't[=e], _n._ (_mus._) the interval of a fifth: a composition in pharmacy of five ingredients. [Gr.]
[Illustration]
DIAPER, d[=i]'a-p[.e]r, _n._ unbleached linen cloth woven in slightly defined figures, used for towels, &c.: a pattern for ornamentation, woven, not coloured, in textiles: a floral or geometric pattern in low relief in architecture, often repeated over a considerable surface.--_v.t._ to variegate with figures, as diaper.--_n._ D[=I]'APERING. [O. Fr. _diaspre_, _diapre_--Low L. _diasprus_--Byzantine Gr. _diaspros_, _dia_, through, _aspros_, white.]
DIAPHANOUS, d[=i]-af'a-nus, _adj._ shining or appearing through, transparent, clear--also DIAPHAN'IC.--_ns._ D[=I]'APHANE, a diaphanous figured silk fabric; DIAPHANOM'ETER, an instrument for testing the transparency of the air; DIAPHAN'OSCOPE, a darkened box for viewing transparent positive photographs; DIAPHAN'OTYPE, a picture produced by colouring on the back a positive lightly printed on translucent paper, and placing this exactly over a strong duplicate print.--_adv._ DIAPH'ANOUSLY.--_ns._ DIAPH'ANOUSNESS, DIAPHAN[=E]'ITY. [Gr.
_diaphanes_--_dia_, through, and _phainein_, to show, shine.]
DIAPHONICS, d[=i]-a-fon'iks, _n._ Same as DIACOUSTICS. [Gr. _dia_, through, _phon[=e]_, sound.]
DIAPHORETIC, d[=i]-a-fo-ret'ik, _adj._ promoting perspiration.--_n._ a sudorific or medicine that increases perspiration.--_n._ DIAPHOR[=E]'SIS, perspiration artificially induced. [Gr.,--_diaphorein_, to carry off--_dia_, through, _pherein_, to bear.]
DIAPHRAGM, d[=i]'a-fram, _n._ a thin partition or dividing membrane: the midriff, a structure separating the chest from the abdomen: a metal plate with a central hole, for cutting off side-rays in a camera, &c.--_adjs._ DIAPHRAGMAT'IC, DIAPHRAG'MAL.--_n._ DIAPHRAGMAT[=I]'TIS, inflammation of the diaphragm. [Gr. _diaphragma_--_dia_, across, _phragnynai_, to fence.]
DIAPHYSIS, d[=i]-af'i-sis, _n._ (_bot._) an abnormal elongation of the axis of a flower or of an inflorescence: (_anat._) the continuity of a bone between its two ends. [Gr. _dia_, through, _phyesthai_, to grow.]
DIAPLASIS, d[=i]-ap'la-sis, _n._ (_surg._) reduction, of a dislocation, &c.--_adj._ DIAPLAS'TIC. [Gr.]
DIAPNOIC, d[=i]-ap-n[=o]'ik, _adj._ producing slight perspiration--also DIAPNOT'IC--_n._ a mild diaphoretic.
DIAPOSITIVE, d[=i]-a-poz'i-tiv, _n._ a transparent photographic positive, such as a lantern slide.
DIAPYETIC, d[=i]-a-p[=i]-et'ik, _adj._ producing suppuration.--_n._ a medicine with this property.--_n._ DIAPY[=E]'SIS, suppuration. [Gr.]
DIARCHY, d[=i]'ar-ki, _n._ a form of government in which two persons are jointly vested with supreme power--less correctly D[=I]'NARCHY. [Formed from Gr. _di-_, two, _archein_, to rule.]
DIARRHOEA, DIARRHEA, d[=i]-a-r[=e]'a, _n._ a persistent purging or looseness of the bowels.--_adjs._ DIARRHOE'AL, DIARRHOE'IC, DIARRHOET'IC (also -RH[=E]'AL, -RH[=E]'IC, -RHET'IC). [Gr. _diarroia_--_dia_, through, and _rhein_, to flow.]
DIARTHROSIS, d[=i]-ar-thr[=o]'sis, _n._ the general name for all forms of articulation which admit of the motion of one bone upon another, free arthrosis--including _Enarthrosis_, _Ginglymus_, and _Cyclarthrosis_. [Gr.]
DIARY, d[=i]'a-ri, _n._ a daily record: a journal.--_adjs._ DI[=A]'RIAL, DI[=A]'RIAN.--_v.t._ or _v.i._ D[=I]'ARISE.--_n._ D[=I]'ARIST, one who keeps a diary. [L. _diarium_.]
DIASCORDIUM, d[=i]-a-skor'di-um, _n._ an electuary prepared with scordium or water-germander. [Gr. _dia_, through, and _skordion_.]
DIASKEUAST, d[=i]-as-kew'ast, _n._ a reviser: an interpolator.--_n._ DIASKEU'ASIS, reviewing. [Gr. _diaskeuazein_, to make ready--_dia_, through, _skeuos_, a tool.]
DIASPORA, d[=i]-as'por-a, _n._ dispersion, used collectively for the dispersed Jews after the Babylonian captivity, and also in the apostolic age for the Jews living outside of Palestine. [Gr. _dia_, through, _speirein_, to scatter.]
DIASPORE, d[=i]'a-sp[=o]r, _n._ a grayish, infusible hydrate of aluminium.
DIASTALTIC, d[=i]-a-stal'tik, _adj._ (_Greek mus._) dilated, extended: bold. [Gr., _diastellein_, to expand.]
DIASTASE, d[=i]'as-t[=a]s, _n._ a peculiar ferment developed during the germination of all seeds, which has the power of converting starch into dextrine and then into sugar.--_adj._ DIASTAT'IC--_adv._ DIASTAT'ICALLY.
[Gr. _diastasis_, division--_dia_, through, _histanai_, _st[=e]nai_, to stand.]
DIASTASIS, d[=i]-as'ta-sis, _n._ (_surg._) separation of bones without fracture. [Gr.]
DIASTEMA, d[=i]-a-st[=e]'ma, _n._ a natural space between two consecutive teeth, or series of teeth.--_adj._ DIASTEMAT'IC. [Gr.]
DIASTOLE, d[=i]-as'to-l[=e], _n._ dilation of the heart, auricles, and arteries--opp. to _Systole_, or contraction of the same: the protracting of a short syllable, as before a pause.--_adj._ DIASTOL'IC. [Gr.
_diastol[=e]_--_dia_, asunder, and _stellein_, to place.]
DIASTYLE, d[=i]'a-st[=i]l, _adj._ (_archit._) marked by wide intercolumniation. [Gr.]
DIATESSARON, d[=i]-a-tes'a-r[=o]n, _n._ a harmony of the four gospels, esp.
the earliest, that of Tatian (prob. 110-180 A.D.): (_mus._) the interval of a fourth: an electuary of four ingredients. [Gr., for _dia tessar[=o]n_, through, or composed of four.]
DIATHERMAL, d[=i]-a-th[.e]r'mal, _adj._ letting heat through, permeable by radiating heat--also DIATHER'MANOUS, DIATHER'MOUS, DIATHER'MIC.--_ns._ DIATHER'MANCE, -CY. [Gr. _dia_, through, _thermos_, heat.]
DIATHESIS, d[=i]-ath'e-sis, _n._ a particular condition or habit of body, esp. one predisposing to certain diseases: a habit of mind.--_adj._ DIATHET'IC. [Gr.,--_dia_, asunder, _tithenai_, to place.]
DIATOM, d[=i]'a-tom, _n._ one of an order of microscopic unicellular algae, of the _Diatomaceae_.--_adj._ DIATOM[=A]'CEOUS.--_n._ DIAT'OMITE, diatomaceous earth. [Gr. _diatomos_--_dia_, through, _temnein_, to cut.]
DIATOMIC, d[=i]-a-tom'ik, _adj._ consisting of two atoms. [Gr. _di-_, _dis_, two, and _atom_.]
DIATOMOUS, d[=i]-at'[=o]-mus, _adj._ having crystals with one distinct diagonal cleavage.
DIATONIC, d[=i]-a-ton'ik, _adj._ proceeding by the tones and intervals of the natural scale in music.--_adv._ DIATON'ICALLY. [Gr.,--_dia_, through, _tonos_, tone.]
DIATRIBE, d[=i]'a-tr[=i]b, _n._ a continued discourse or disputation: an invective harangue.--_n._ D[=I]'ATR[=I]BIST, a writer or utterer of such.
[Gr. _diatrib[=e]_--_dia_, through, _tribein_, to rub, wear away.]
DIB, dib, _v.i._ to dip, as in angling:--_pr.p._ dib'bing; _pa.p._ dibbed.
[A form of _dab_.]
DIB, dib, _n._ one of the small bones of a sheep's leg: (_pl._) a children's game, played by throwing up such small bones or stones (DIB'-STONES) from the palm and catching them on the back of the hand--(_Scot._) _Chuckie-stanes_, or _Chucks_: (_slang_) money.