Webster's Unabridged Dictionary - Letter D - Page 55

Dioptry (n.) (Optics) 屈光度 A dioptre.

Diorama (n.) 西洋鏡；透視畫館 A mode of scenic representation, invented by Daguerre and Bouton, in which a painting is seen from a distance through a large opening. By a combination of transparent and opaque painting, and of transmitted and reflected light, and by contrivances such as screens and shutters, much diversity of scenic effect is produced.

Diorama (n.) A building used for such an exhibition.

Diorama (n.) A picture (or series of pictures) representing a continuous scene [syn: panorama, cyclorama, diorama].

Dioramic (a.) Pertaining to a diorama.

Diorism (n.) Definition; logical direction. [Obs.] -- Dr. H. More.

Dioristic (a.) Distinguishing; distinctive; defining. [R.] -- Di`o*ris"tic*al*ly, adv. [R.] -- Dr. H. More.

Diorite (n.) (Min.) An igneous, crystalline in structure, consisting essentially of a triclinic feldspar and hornblende. It includes part of what was called greenstone.

Diorite (n.) A granular crystalline intrusive rock.

Dioritic (a.) Containing diorite.

Diorthotic (a.) Relating to the correcting or straightening out of something; corrective.

Dioscorea (n.) (Bot.) A genus of plants, the roots of which are eaten as yams. See Yam.

Dioscorea (n.) Yams [syn: Dioscorea, genus Dioscorea].

Compare: Ironwood

Ironwood (n.) (Bot.) 【植】鐵木樹；鐵木 A tree unusually hard, strong, or heavy wood.

Note: In the United States, the hornbeam and the hop hornbeam are so called; also the Olneya Tesota, a small tree of Arizona; in the West Indies, the Erythroxylon areolatum, and several other unrelated trees; in China, the Metrosideros vera; in India, the Mesua ferrea, and two species of Inga; in Australia, the Eucalyptus Sideroxylon, and in many countries, species of Sideroxylon and Diospyros, and manyother trees.

Diospyros (n.) 柿樹屬 A genus of trees or shrubs that have beautiful and valuable wood [syn: Diospyros, genus Diospyros].

Diota (n.) (Rom. Antiq.) A vase or drinking cup having two handles or ears.

Compare: Deutoxide

Deutoxide (n.) (Chem.) A compound containing in the molecule two atoms of oxygen united with some other element or radical; -- usually called dioxide, or less frequently, binoxide.

Dioxide (n.) An oxide containing two atoms of oxygen in each molecule; binoxide.

Dioxide (n.) An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide. [Obs.]

Carbon dioxide. See Carbonic acid, under Carbonic.

Dioxide (n.) An oxide containing two atoms of oxygen in the molecule.

Dioxindol (n.) (Chem.) A white, crystalline, nitrogenous substance obtained by the reduction of isatin. It is a member of the indol series; -- hence its name.

Dipped (imp. & p. p.) of Dip.

Dipt () of Dip.

Dipping (p. pr. & vb. n.) of Dip.

Dip (v. t.) To plunge or immerse; especially, to put for a moment into a liquid; to insert into a fluid and withdraw again.

The priest shall dip his finger in the blood. -- Lev. iv. 6.

[Wat'ry fowl] now dip their pinions in the briny deep. -- Pope.

While the prime swallow dips his wing. -- Tennyson.

Dip (v. t.) To immerse for baptism; to baptize by immersion. -- Book of Common Prayer. Fuller.

Dip (v. t.) To wet, as if by immersing; to moisten. [Poetic]

A cold shuddering dew Dips me all o'er. -- Milton.

Dip (v. t.) To plunge or engage thoroughly in any affair.

He was . . . dipt in the rebellion of the Commons. -- Dryden.

Dip (v. t.) To take out, by dipping a dipper, ladle, or other receptacle, into a fluid and removing a part; -- often with out; as, to dip water from a boiler; to dip out water.

Dip (v. t.) To engage as a pledge; to mortgage. [Obs.]

Live on the use and never dip thy lands. -- Dryden.

Dipped candle, A candle made by repeatedly dipping a wick in melted tallow.

To dip snuff, To take snuff by rubbing it on the gums and teeth. [Southern U. S.]

To dip the colors (Naut.), To lower the colors and return them to place; -- a form of naval salute.

Dip (v. i.) To immerse one's self; to become plunged in a liquid; to sink.

The sun's rim dips; the stars rush out. -- Coleridge.

Dip (v. i.) To perform the action of plunging some receptacle, as a dipper, ladle. etc.; into a liquid or a soft substance and removing a part.

Whoever dips too deep will find death in the pot. -- L'Estrange.

Dip (v. i.) To pierce; to penetrate; -- followed by in or into.

When I dipt into the future. -- Tennyson.
Dip (v. i.) To enter slightly or cursorily; to engage one's self desultorily or by the way; to partake limitedly; -- followed by in or into. "Dipped into a multitude of books." -- Macaulay.

Dip (v. i.) To incline downward from the plane of the horizon; as, strata of rock dip.

Dip (v. i.) To dip snuff. [Southern U.S.]

Dip (n.) The action of dipping or plunging for a moment into a liquid. "The dip of oars in unison." -- Glover.

Dip (n.) Inclination downward; direction below a horizontal line; slope; pitch.

Dip (n.) A hollow or depression in a surface, especially in the ground.

Dip (n.) A liquid, as a sauce or gravy, served at table with a ladle or spoon. [Local, U.S.] -- Bartlett.

Dip (n.) A dipped candle. [Colloq.] -- Marryat.

Dip (n.) A gymnastic exercise on the parallel bars in which the performer, resting on his hands, lets his arms bend and his body sink until his chin is level with the bars, and then raises himself by straightening his arms.

Dip (n.) In the turpentine industry, the viscid exudation, which is dipped out from incisions in the trees; as, virgin dip (the runnings of the first year), yellow dip (the runnings of subsequent years).

Dip (n.) (A["e]ronautics) A sudden drop followed by a climb, usually to avoid obstacles or as the result of getting into an airhole.

Dip (n.) A liquid, in which objects are soaked by dipping; e.g., a parasiticide or insecticide solution into which animals are dipped (see sheep-dip).

Dip (n.) A sauce into which foods are dipped to enhance the flavor; e. g., an onion dip made from sour cream and dried onions, into which potato chips are dipped.

Dip (n.) A pickpocket. [slang]

Dip of the horizon (Astron.), The angular depression of the seen or visible horizon below the true or natural horizon; the angle at the eye of an observer between a horizontal line and a tangent drawn from the eye to the surface of the ocean.

Dip of the needle, or Magnetic dip, The angle formed, in a vertical plane, by a freely suspended magnetic needle, or the line of magnetic force, with a horizontal line; -- called also inclination.

Dip of a stratum (Geol.), Its greatest angle of inclination to the horizon, or that of a line perpendicular to its direction or strike; -- called also the pitch.

Dip (n.) A depression in an otherwise level surface; "there was a dip in the road".

Dip (n.) (Physics) The angle that a magnetic needle makes with the plane of the horizon [syn: dip, angle of dip, magnetic dip, magnetic inclination, inclination].

Dip (n.) A thief who steals from the pockets or purses of others in public places [syn: pickpocket, cutpurse, dip].

Dip (n.) Tasty mixture or liquid into which bite-sized foods are dipped.

Dip (n.) A brief immersion.

Dip (n.) A sudden sharp decrease in some quantity; "a drop of 57 points on the Dow Jones index"; "there was a drop in pressure in the pulmonary artery"; "a dip in prices"; "when that became known the price of their stock went into free fall" [syn: drop, dip, fall, free fall].

Dip (n.) A candle that is made by repeated dipping in a pool of wax or tallow.

Dip (n.) A brief swim in water [syn: dip, plunge].

Dip (n.) A gymnastic exercise on the parallel bars in which the body is lowered and raised by bending and straightening the arms.

Dip (v.) Immerse briefly into a liquid so as to wet, coat, or saturate; "dip the garment into the cleaning solution"; "dip the brush into the paint" [syn: dunk, dip, souse, plunge, douse].

Dip (v.) Dip into a liquid while eating; "She dunked the piece of bread in the sauce" [syn: dunk, dip].

Dip (v.) Go down momentarily; "Prices dipped".

Dip (v.) Stain an object by immersing it in a liquid.

Dip (v.) Take a small amount from; "I had to dip into my savings to buy him this present".

Dip (v.) Switch (a car's headlights) from a higher to a lower beam [syn: dim, dip].

Dip (v.) Lower briefly; "She dipped her knee".

Dip (v.) Appear to move downward; "The sun dipped below the horizon"; "The setting sun sank below the tree line" [syn: dip, sink].

Dip (v.) Slope downwards; "Our property dips towards the river".

Dip (v.) Dip into a liquid; "He dipped into the pool" [syn: dip, douse, duck].

Dip (v.) Place (candle wicks) into hot, liquid wax.

Dip (v.) Immerse in a disinfectant solution; "dip the sheep".

Dip (v.) Plunge (one's hand or a receptacle) into a container; "He dipped into his pocket".

Dip (v.) Scoop up by plunging one's hand or a ladle below the surface; "dip water out of a container".

DIP, () Dial-up Internet Protocol (Linux).

DIP, () Dual In-line Package (IC, DRAM).

DIP, () Dual In-line Package.

DIP, () Document Image Processing.

Dipaschal (a.) Including two passovers. -- Carpenter.

Compare: Dabchick

Dabchick (n.) (Zool.) A small water bird ({Podilymbus podiceps), allied to the grebes, remarkable for its quickness in diving; -- called also dapchick, dobchick, dipchick, didapper, dobber, devil-diver, hell-diver, and pied-billed grebe.

Dipchick (n.) (Zool.) See Dabchick.

Dipetalous (a.) (Bot.) Having two petals; two-petaled.

Diphenyl (n.) (Chem.) A white crystalline substance, C6H5.C6H5, obtained by leading benzene through a heated iron tube. It consists of two benzene or phenyl radicals united.

Diphtheria (n.) (Med.) A very dangerous contagious disease in which the air passages, and especially the throat, become coated with a false membrane, produced by the solidification of an inflammatory exudation. Cf. Group. Diphtherial

Diphtheria (n.) Acute contagious infection caused by the bacterium Corynebacterium diphtheriae; marked by the formation of a false membrane in the throat and other air passages causing difficulty in breathing.

Diphtherial (a.) Alt. of Diphtheric.

Diphtheric (a.) Relating to diphtheria; diphtheritic.

Diphtheritic (a.) (Med.) Pertaining to, or connected with, diphtheria.

Diphtheritic (a.) (Med.) Having characteristics resembling those of diphtheria; as, diphtheritic inflammation of the bladder.

Diphthong (n.) (Ortho["e]py) A coalition or union of two vowel sounds pronounced in one syllable; as, ou in out, oi in noise; -- called a proper diphthong.

Diphthong (n.) (Ortho["e]py) A vowel digraph; a union of two vowels in the same syllable, only one of them being sounded; as, ai in rain, eo in people; -- called an improper diphthong.

Diphthong (v. t.) To form or pronounce as a diphthong; diphthongize. [R.]

Diphthong (n.) A vowel sound that starts near the articulatory position for one vowel and moves toward the position for another.

Diphthongal (a.) Relating or belonging to a diphthong; having the nature of a diphthong. -- Diph*thon"gal*ly, adv.

Diphthongalize (v. t.) To make into a diphthong; to pronounce as a diphthong.

Diphthongation (n.) See Diphthongization.

Diphthongic (a.) Of the nature of diphthong; diphthongal. -- H. Sweet.

Diphthongization (n.) The act of changing into a diphthong. -- H. Sweet.

Diphthongize (v. t. & i.) To change into a diphthong, as by affixing another vowel to a simple vowel. "The diphthongized long vowels." -- H. Sweet.

Diphthongize (v.) Change from a simple vowel to a diphthong; "This vowel diphthongized in Germanic" [syn: diphthongize, diphthongise].

Diphycercal (a.) (Anat.) Having the tail fin divided into two equal parts by the notochord, or end of the vertebral column; protocercal. See Protocercal.

Diphygenic (a.) (Zool.) Having two modes of embryonic development.

Diphyllous (a.) (Bot.) Having two leaves, as a calyx, etc.

Diphyodont (a.) (Anat.) Having two successive sets of teeth (deciduous and permanent), one succeeding the other; as, a diphyodont mammal; diphyodont dentition; -- opposed to monophyodont.

Diphyodont (n.) An animal having two successive sets of teeth.

Diphyozooid (n.) (Zool.) One of the free-swimming sexual zooids of Siphonophora.

Diplanar (a.) (Math.) Of or pertaining to two planes.

Dipleidoscope (n.) (Astron.) An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass disposed in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's center is on the meridian.

Diploblastic (a.) (Biol.) Characterizing the ovum when it has two primary germinal layers.

Diplocardiac (a.) (Anat.) Having the heart completely divided or double, one side systemic, the other pulmonary.

Diplococci (n. pl. ) of Diplococcus.

Diplococcus (n.) (Biol.) A form of micrococcus in which cocci are united in a binary manner. See Micrococcus.

Diploe (n.) (Anat.) The soft, spongy, or cancellated substance between the plates of the skull.

Diploetic (a.) (Anat.) Diploic.

Diplogenic (a.) Partaking of the nature of two bodies; producing two substances. -- Wright.

Diploic (a.) (Anat.) Of or pertaining to the diploe.

Diploid (n.) (Crystallog.) A solid bounded by twenty-four similar quadrilateral faces. It is a hemihedral form of the hexoctahedron.

Diploid (n.) (Biol.) A cell or organism having a number of chromosomes corresponding to two copies of each chromosome; a diploid cell or organism.

A: I'm not interested in diploids.

B: Oh, how I wish your parents had felt the same way!

Diploid (a.) (Biol.) Having a number of chromosomes corresponding to two copies of each chromosome; having double the basic number of chromosomes, as seen in a haploid cell. Contrasted to haploid and polyploid.

Note: in diploid cells, although the number of chromosomes is double that in haploid cells, it is not always true that there are two copies of every chromosome, since the two sex chromosomes in males will differ from each other. In females, and for other chromosomes, however, there are generally two copies of each, giving rise to the classical hereditary and sorting patterns of Mendelian genetics.

Diploid (a.) Of a cell or organism having two sets of chromosomes or twice the haploid number; "diploid somatic cells" [ant: haploid, haploidic, monoploid, polyploid].

Diploid (n.) (Genetics) An organism or cell having the normal amount of DNA per cell; i.e., two sets of chromosomes or twice the haploid number.

Diplomas (n. pl. ) of Diploma.

Diploma (n.) A letter or writing, usually under seal, conferring some privilege, honor, or power; a document bearing record of a degree conferred by a literary society or educational institution.

Diploma (n.) A document certifying the successful completion of a course of study [syn: diploma, sheepskin].

DIPLOMA. () An instrument of writing, executed by, a corporation or society, certifying that a certain person therein named is entitled to a certain distinction therein mentioned.

DIPLOMA. () It is usually, granted by learned institutions to their members, or to persons who have studied in them.

DIPLOMA. () Proof of the seal of a medical institution and of the signatures of its officers thereto affixed, by comparison with the seal and signatures attached to a diploma received by the witness from the same institution, has been held to be competent evidence of the genuineness of the instrument, although the witness never saw the officers write their names. 25 Wend. R. 469.

DIPLOMA. () This word, which is also written duploma, in the civil law, signifies letters issued by a prince. They are so called, it is supposed, a duplicatis tabellis, to which Ovid is thought to allude, 1 Amor. 12, 2, 27, when he says, Tunc ego vos duplices rebus pro nomine sensi Sueton in Augustum, c. 26. Seals also were called Diplomata. Vicat ad verb.

Diplomacy (n.) The art and practice of conducting negotiations between nations (particularly in securing treaties), including the methods and forms usually employed.

Diplomacy (n.) Dexterity or skill in securing advantages; tact.

Diplomacy (n.) The body of ministers or envoys resident at a court; the diplomatic body. [R.] -- Burke. Diplomat

Diplomacy (n.) Negotiation between nations [syn: diplomacy, diplomatic negotiations].

Diplomacy (n.) Subtly skillful handling of a situation [syn: delicacy, diplomacy, discreetness, finesse].

Diplomacy (n.) Wisdom in the management of public affairs [syn: statesmanship, statecraft, diplomacy].

Diplomacy () The science which treats of the relations and interests of nations with nations.

Diplomacy (n.) The patriotic art of lying for one's country.

Diplomat (n.) Alt. of Diplomate.

Diplomate (n.) A diplomatist.

Diplomat (n.) An official engaged in international negotiations [syn: diplomat, diplomatist].

Diplomat (n.) A person who deals tactfully with others.

Diplomate (v. t.) To invest with a title or privilege by diploma. [R.] -- Wood.

Diplomate (n.) Medical specialist whose competence has been certified by a diploma granted by an appropriate professional group.

Diplomatial (a.) Diplomatic. [R.] Diplomatic

Diplomatic (a.) Alt. of Diplomatical.

Diplomatical (a.) Pertaining to diplomacy; relating to the foreign ministers at a court, who are called the diplomatic body.

Diplomatical (a.) Characterized by tact and shrewdness; dexterous; artful; as, diplomatic management.

Diplomatical (a.) Pertaining to diplomatics; paleographic. -- Astle.

Diplomatical (a.) Using or marked by tact in dealing with sensitive matters or people; "the hostess averted a confrontation with a diplomatic chenage of subject" [syn: diplomatic, diplomatical] [ant: undiplomatic].

Diplomatic (n.) A minister, official agent, or envoy to a foreign court; a diplomatist.

Diplomatic (a.) Relating to or characteristic of diplomacy; "diplomatic immunity".

Diplomatic (a.) Using or marked by tact in dealing with sensitive matters or people; "the hostess averted a confrontation with a diplomatic chenage of subject" [syn: diplomatic, diplomatical] [ant: undiplomatic].

Diplomatically (adv.) According to the rules of diplomacy; in the manner of a diplomatist; artfully.

Diplomatically (adv.) With diplomacy; in a diplomatic manner; "he answered very diplomatically" [ant: undiplomatically].

Diplomatic (n.) The science of diplomas, or the art of deciphering ancient writings, and determining their age, authenticity, etc.; paleography.

Diplomatism (n.) Diplomacy. [R.]

Diplomatist (n.) A person employed in, or skilled in, diplomacy; a diplomat.

In ability, Avaux had no superior among the numerous able diplomatists whom his country then possessed. -- Macaulay. Diplopia

Diplomatist (n.) An official engaged in international negotiations [syn: diplomat, diplomatist].

Diplopia (n.) Alt. of Diplopy.

Diplopy (n.) (Med.) The act or state of seeing double.

Note: In crossed or heteronymous diplopia the image seen by the right eye is upon the left hand, and that seen by the left eye is upon the right hand. In homonymous diplopia the image seen by the right eye is on the right side, that by the left eye on the left side. In vertical diplopia one image stands above the other.

Diplopia (n.) Visual impairment in which an object is seen as two objects; "diplopia often disappears when one eye is covered" [syn: diplopia, double vision].

Diplopod (n.) (Zool.) One of the Diplopoda.

Diplopoda (n. pl.) (Zool.) An order of myriapods having two pairs of legs on each segment; the Chilognatha.

Diplopoda (n.) Arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes [syn: Diplopoda, class Diplopoda, Myriapoda, class Myriapoda].

Diplostemonous (a.) (Bot.) Having twice as many stamens as petals, as the geranium. -- R. Brown.

Diplostemony (n.) (Bot.) The condition of being diplostemonous.

Dipneumona (n. pl.) (Zool.) A group of spiders having only two lunglike organs. [Written also Dipneumones.]

Dipnoi (n. pl.) (Zool.) A group of ganoid fishes, including the living genera Ceratodus and Lepidosiren, which present the closest approximation to the Amphibia. The air bladder acts as a lung, and the nostrils open inside the mouth. See Ceratodus, and Illustration in Appendix.

Dipnoi (n.) Bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii [syn: Dipnoi, subclass Dipnoi].

Dipodies (n. pl. ) of Dipody.

Dipody (n.) (Pros.) Two metrical feet taken together, or included in one measure. -- Hadley.

Trochaic, iambic, and anapestic verses . . . are measured by dipodies. -- W. W. Goodwin.

Dipolar (a.) Having two poles, as a magnetic bar.

Dipolar (a.) Having equal and opposite electric charges or magnetic poles having opposite signs and separated by a small distance.

Dippel's oil () (Chem.) See Bone oil, under Bone.

Dipper (n.) 長柄勺；汲器 [C] One who, or that which, dips; especially, a vessel used to dip water or other liquid; a ladle.

Dipper (n.) (Zool.) 【鳥】河烏 [C] A small grebe; the dabchick.

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