Diaper - Dibranchiate

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3. A towel or napkin for wiping the hands, etc.
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Let one attend him with a silver basin, . . .
Another bear the ewer, the third a diaper. Shak.
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4. An infant's breechcloth.
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Diaper (?), v. t. 1. To ornament with figures, etc., arranged in the pattern called diaper, as cloth in weaving. “Diapered light.” H. Van Laun.
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Engarlanded and diapered
With in wrought flowers. Tennyson.
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2. To put a diaper on (a child).
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Diaper, v. i. To draw flowers or figures, as upon cloth. “If you diaper on folds.” Peacham.
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Diapering, n. Same as , n., 2.
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Diaphane (?), n. [Cf. F. diaphane diaphanous. See .] A woven silk stuff with transparent and colored figures; diaper work.
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Diaphaned (?), a. [Cf. OF. diaphaner to make transparent. See .] Transparent or translucent. [R.]
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Diaphaneity (?), n. [Cf. F. diaphanéité. See .] The quality of being diaphanous; transparency; pellucidness.
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Diaphanic (?), a. [See .] Having power to transmit light; transparent; diaphanous.
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Diaphanie (?), n. The art of imitating stained glass with translucent paper.
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Diaphanometer (?), n. [Gr. � transparent + -meter.] An instrument for measuring the transparency of the air.
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Diaphanoscope (?), n. [Gr. � transparent + -scope.] (Photog.) A dark box constructed for viewing transparent pictures, with or without a lens.
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Diaphanotype (?), n. [Gr. � transparent + -type.] (Photog.) A colored photograph produced by superimposing a translucent colored positive over a strong uncolored one.
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Diaphanous (?), a. [Gr. �, fr. � to show or shine through; dia through + � to show, and in the passive, to shine: cf. F. diaphane. See , and cf. , .] Allowing light to pass through, as porcelain; translucent or transparent; pellucid; clear.
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Another cloud in the region of them, light enough to be fantastic and diaphanous. Landor.
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Diaphanously, adv. Translucently.
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Diaphemetric (?), a. [Gr. dia through + � touch + � measure.] (Physiol.) Relating to the measurement of the tactile sensibility of parts; as, diaphemetric compasses. Dunglison.

{ Diaphonic (?), Diaphonical (?) }, a. [Gr. dia through + � sound, tone.] Diacoustic.
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Diaphonics (?), n. The doctrine of refracted sound; diacoustics.
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Diaphoresis (?), n. [L., fr. Gr. �, fr. � to carry through, to throw off by perspiration; dia through + � to carry.] (Med.) Perspiration, or an increase of perspiration.

{ Diaphoretic (?), Diaphoretical (?), } a. [L. diaphoreticus, Gr. �: cf. F. diaphorétique. See .] Having the power to increase perspiration.
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Diaphoretic, n. (Med.) A medicine or agent which promotes perspiration.
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☞ Diaphoretics differ from sudorifics; the former only increase the insensible perspiration, the latter excite the sensible discharge called sweat. Parr.
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Diaphote (?), n. [Pref. dia- + Gr. �, light.] (Elec.) An instrument designed for transmitting pictures by telegraph. Fallows.
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Diaphragm (?), n. [L. diaphragma, Gr. �, fr. � to fence by a partition wall; dia through + �, �, to fence, inclose; prob. akin to L. fareire to stuff: cf. F. diaphragme. See .] 1. A dividing membrane or thin partition, commonly with an opening through it.
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2. (Anat.) The muscular and tendinous partition separating the cavity of the chest from that of the abdomen; the midriff.
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3. (Zoöl.) A calcareous plate which divides the cavity of certain shells into two parts.
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4. (Opt.) 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.
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5. (Mach.) A partition in any compartment, for various purposes.
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Coloq. Diaphragm pump , one in which a flexible diaphragm takes the place of a piston.
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Diaphragmatic (?), a. [Cf. F. diaphragmatique.] Pertaining to a diaphragm; as, diaphragmatic respiration; the diaphragmatic arteries and nerves.
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diaphyseal adj. of or pertaining to diaphysis.
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Diaphysis (?), n. [Gr. � a growing through; dia through + � to bring forth.] 1. (Bot.) An abnormal prolongation of the axis of inflorescence.
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2. (Anat.) The shaft, or main part, of a bone, which is first ossified.
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Diapnoic (?), a. [Gr. � outlet for the wind, exhalation, fr. � to blow through; dia through + � to blow, breathe: cf. F. diapnoïque.] (Med.) Slightly increasing an insensible perspiration; mildly diaphoretic. -- n. A gentle diaphoretic.
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Diapophysical (?), a. (Anat.) Pertaining to a diapophysis.
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Diapophysis (?), n. [NL. See , and .] (Anat.) The dorsal transverse, or tubercular, process of a vertebra. See .
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Diarchy (?), n. [Gr. di- = dis- twice + � to rule.] A form of government in which the supreme power is vested in two persons.

{ Diarial (?), Diarian (?), } a. [See .] Pertaining to a diary; daily.
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Diarist (?), n. One who keeps a diary.

{ Diarrhea, Diarrhœa }, (dī�rrēȧ), n. [L. diarrhoea, Gr. diarroia, fr. diarrei^n to flow through; dia + rei^n to flow; akin to E. stream. See .] (Med.) 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, Diarrhœal } a. (Med.) Of or pertaining to diarrhea; like diarrhea.

{ Diarrhetic, Diarrhœtic } (?), a. (Med.) Producing diarrhea, or a purging.
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Diarthrodial (?), a. (Anat.) Relating to diarthrosis, or movable articulations.
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Diarthrosis (?), n. [NL., fr. Gr. �, fr. � to joint, articulate; dia through, asunder + � to fasten by a joint, 'arqron joint.] (Anat.) A form of articulation which admits of considerable motion; a complete joint; abarticulation. See .
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Diary (dīȧr�), n.; pl. Diaries (#). [L. diarium, fr. dies day. See .] 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.
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Diary, a. lasting for one day; as, a diary fever. [Obs.] “Diary ague.” Bacon.
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Diaspora (?), n. [Gr. �. See .] 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.
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Diaspore (?), n. [From Gr. � a scattering; dia through, asunder + � to sow, scatter like seed: cf. F. diaspore.] (Min.) 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.
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Diastase (?), n. [Gr. � separation, fr. �, � to stand apart; dia through + �, �, to stand, set: cf. F. diastase. Cf. .] (Physiol. Chem.) A soluble enzyme, capable of converting starch and dextrin into sugar.
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☞ The name is more particularly applied to that enzyme formed during the germination of grain, as in the malting of barley; but it is also occasionally used to designate the amylolytic enzyme contained in animal fluids, as in the saliva.
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Diastasic (?), a. Pertaining to, or consisting of, diastase; as, diastasic ferment.
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Diastasis (?), n. [NL. See .] (Surg.) A forcible separation of bones without fracture.
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Diastatic (?), a. [Gr. � separative. See .] (Physiol. Chem.) Relating to diastase; having the properties of diastase; effecting the conversion of starch into sugar.
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The influence of acids and alkalies on the diastatic action of saliva. Lauder Brunton.
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Diastem (?), n. [L. diastema, Gr. �, fr. �: cf. F. diastème.] (a) Intervening space; interval. (b) (Anc. Mus.) An interval.
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Diastema (?), n. [L. See .] (Anat.) A vacant space, or gap, esp. between teeth in a jaw.
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Diaster (?), n. [Gr. di- = dis- twice + � star.] (Biol.) 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 .
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Diastole (?), n. [L., fr. Gr. �, fr. � to put asunder, to separate; dia through + � to set, to place.] 1. (Physiol.) The rhythmical expansion or dilatation of the heart and arteries; -- correlative to systole, or contraction.
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2. (Gram.) A figure by which a syllable naturally short is made long.
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Diastolic (?), a. (Physiol.) Of or pertaining to diastole.
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Diastyle (?), n. [L. diastylus, Gr. �; dia through, asunder + � pillar, column: cf. F. diastyle.] (Arch.) See under .
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Diatessaron (?), n. [L., fr. Gr. � (sc. �); dia through + �, gen. of � four (sc. �.).] 1. (Anc. Mus.) The interval of a fourth.
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2. (Theol.) A continuous narrative arranged from the first four books of the New Testament.
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3. An electuary compounded of four medicines.
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Diathermal (?), a. [Gr. � thoroughly warm; dia through + � warm, hot. Cf. .] Freely permeable by radiant heat.

{ Diathermancy (?), Diathermaneity (?), } n. [See .] The property of transmitting radiant heat; the quality of being diathermous. Melloni.
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Diathermanism (?), n. The doctrine or the phenomena of the transmission of radiant heat. Nichol.
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Diathermanous (?), a. [Gr. � to warm through; dia through + � to warm, � warm.] Having the property of transmitting radiant heat; diathermal; -- opposed to athermanous.
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Diathermic (?), a. Affording a free passage to heat; as, diathermic substances. Melloni.
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Diathermometer (?), n. [Gr. � warm + -meter. See .] (Physics) An instrument for examining the thermal resistance or heat-conducting power of liquids.
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Diathermous (?), a. Same as .
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Diathesis (?), n. [NL., fr. Gr. �, fr. � to place separately, arrange; dia through, asunder + � to place, put.] (Med.) Bodily condition or constitution, esp. a morbid habit which predisposes to a particular disease, or class of diseases.
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Diathetic (?), a. Pertaining to, or dependent on, a diathesis or special constitution of the body; as, diathetic disease.
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Diatom (dīȧtŏm), n. [Gr. diatomos cut in two. See .] 1. (Bot.) 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.
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2. A particle or atom endowed with the vital principle.
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The individual is nothing. He is no more than the diatom, the bit of protoplasm. Mrs. E. Lynn Linton.
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diatomaceous (dīȧt�māshŭs), a. [See .] consisting of or containing diatoms or their fossils; as, diatomaceous earth (used as a component of dynamite).
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diatomaceous earth (Geol.), a deposit of fine, usually white, siliceous material, composed mainly of the shells of the microscopic plants called diatoms; also called infusorial earth, kieselguhr, and diatomite. It is used in polishing powder, and in the manufacture of dynamite.
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diatomic (dīȧtŏmĭk), a. [Pref. di- + atomic.] (Chem.) (a) Containing two atoms. (b) Having two replaceable atoms or radicals.
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Diatomophyceae n. a class of marine and freshwater eukaryotic algae comprising the diatoms.
Syn. -- Bacillariophyceae, class Bacillariophyceae, class Diatomophyceae.
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Diatomous (?), a. [Gr. diatomos cut through, fr. diatemnein to cut through; dia through + temnein to cut. Cf. .] (Min.) Having a single, distinct, diagonal cleavage; -- said of crystals. Mohs.
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Diatonic (dīȧtŏnĭk), a. [L. diatonicus, diatonus, Gr. �, �, fr. � to stretch out; dia through + � to stretch: cf. F. diatonique. See .] (Mus.) Pertaining to the scale of eight tones, the eighth of which is the octave of the first.
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Coloq. 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.
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Diatonically (?), adv. In a diatonic manner.
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Diatribe (?; 277), n. [L. diatriba a learned discussion, Gr. �, prop., a wearing away of time, fr. � to rub away, spend time; dia through + � to rub: cf. L. terere, F. trite: cf. F. diatribe.] A prolonged or exhaustive discussion; especially, an acrimonious or invective harangue; a strain of abusive or railing language; a philippic.
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The ephemeral diatribe of a faction. John Morley.
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Diatribist (?), n. One who makes a diatribe or diatribes.
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Diatryma (?), n. [NL., from Gr. dia through + � hole.] (Paleon.) An extinct eocene bird from New Mexico, larger than the ostrich.

{ Diazeuctic (?), Diazeutic (?), } a. [Gr. � disjunctive, fr. � to disjoin; dia through, asunder + � to join, yoke.] (Anc. Mus.) 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.]
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Diazo- (�). [Pref. di- + azo-] (Chem.) 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.
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☞ 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.
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Coloq. Diazo reactions (Chem.), a series of reactions whereby diazo compounds are employed in substitution. These reactions are of great importance in organic chemistry.
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Diazotize (?), v. t. (Chem.) To subject to such reactions or processes that diazo compounds, or their derivatives, shall be produced by chemical exchange or substitution.
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Dib (?), v. i. To dip. [Prov. Eng.] Walton.
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Dib, n. 1. One of the small bones in the knee joints of sheep uniting the bones above and below the joints.
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2. pl. A child's game, played with dib bones.
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Dibasic (?), a. [Pref. di- + basic.] (Chem.) 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. , .
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☞ 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.
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Dibasicity (?), n. (Chem.) The property or condition of being dibasic.
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Dibber (?), n. A dibble. Halliwell.
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Dibble (?), n. [See , v. i.] A pointed implement used to make holes in the ground in which no set out plants or to plant seeds.
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Dibble, v. i. [imp. & p. p. Dibbled (?); p. pr. & vb. n. Dibbling (?).] [Freq. of Prov. E. dib, for dip to thrust in. See .] To dib or dip frequently, as in angling. Walton.
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Dibble, v. t. 1. To plant with a dibble; to make holes in (soil) with a dibble, for planting.
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2. To make holes or indentations in, as if with a dibble.
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The clayey soil around it was dibbled thick at the time by the tiny hoofs of sheep. H. Miller.
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Dibbler (?), n. One who, or that which, dibbles, or makes holes in the ground for seed.
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dibrach n. (Prosody) a foot of two short (unstressed-unstressed) syllables.
Syn. -- pyrrhic.
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dibranch n. a cephalopod having two gills; a member of the Dibranchiata.
Syn. -- dibranchiate, dibranchiate mollusk.
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Dibranchia n. 1. comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish).
Syn. -- Dibranchiata, subclass ta, Dibranchia, subclass Dibranchia.
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Dibranchiata (?), n. pl. [NL., fr. Gr. di- = dis- twice + � gills.] (Zoöl.) 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 .
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Dibranchiate (?), a. (Zoöl.) Having two gills. -- n. One of the Dibranchiata.
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