Dioptry (n.) A dioptre.
Diorama (n.) 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.
Dioramic (a.) Pertaining to a diorama.
Diorism (n.) Definition; logical direction.
Dioristic (a.) Distinguishing; distinctive; defining.
Diorite (n.) An igneous, crystalline in structure, consisting essentially of a triclinic feldspar and hornblende. It includes part of what was called greenstone.
Dioritic (a.) Containing diorite.
Diorthotic (a.) Relating to the correcting or straightening out of something; corrective.
Dioscorea (n.) A genus of plants. See Yam.
Diota (n.) A vase or drinking cup having two handles or ears.
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.
Dioxindol (n.) 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.
Dip (v. t.) To immerse for baptism; to baptize by immersion.
Dip (v. t.) To wet, as if by immersing; to moisten.
Dip (v. t.) To plunge or engage thoroughly in any affair.
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.
Dip (v. i.) To immerse one's self; to become plunged in a liquid; to sink.
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.
Dip (v. i.) To pierce; to penetrate; -- followed by in or into.
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.
Dip (v. i.) To incline downward from the plane of the horizon; as, strata of rock dip.
Dip (v. i.) To dip snuff.
Dip (n.) The action of dipping or plunging for a moment into a liquid.
Dip (n.) Inclination downward; direction below a horizontal line; slope; pitch.
Dip (n.) A liquid, as a sauce or gravy, served at table with a ladle or spoon.
Dip (n.) A dipped candle.
Dipaschal (a.) Including two passovers.
Dipchick (n.) See Dabchick.
Dipetalous (a.) Having two petals; two-petaled.
Diphenyl (n.) 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.) 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 (a.) Alt. of Diphtheric
Diphtheric (a.) Relating to diphtheria; diphtheritic.
Diphtheritic (a.) Pertaining to, or connected with, diphtheria.
Diphtheritic (a.) Having characteristics resembling those of diphtheria; as, diphtheritic inflammation of the bladder.
Diphthong (n.) 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.) 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.
Diphthongal (a.) Relating or belonging to a diphthong; having the nature of a diphthong.
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.
Diphthongization (n.) The act of changing into a diphthong.
Diphthongize (v. t. & i.) To change into a diphthong, as by affixing another vowel to a simple vowel.
Diphycercal (a.) Having the tail fin divided into two equal parts by the notochord, or end of the vertebral column; protocercal. See Protocercal.
Diphygenic (a.) Having two modes of embryonic development.
Diphyllous (a.) Having two leaves, as a calyx, etc.
Diphyodont (a.) 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.) One of the free-swimming sexual zooids of Siphonophora.
Diplanar (a.) Of or pertaining to two planes.
Dipleidoscope (n.) 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.) Characterizing the ovum when it has two primary germinal layers.
Diplocardiac (a.) Having the heart completely divided or double, one side systemic, the other pulmonary.
Diplococci (pl. ) of Diplococcus
Diplococcus (n.) A form of micrococcus in which cocci are united in a binary manner. See Micrococcus.
Diploe (n.) The soft, spongy, or cancellated substance between the plates of the skull.
Diploetic (a.) Diploic.
Diplogenic (a.) Partaking of the nature of two bodies; producing two substances.
Diploic (a.) Of or pertaining to the diploe.
Diploid (n.) A solid bounded by twenty-four similar quadrilateral faces. It is a hemihedral form of the hexoctahedron.
Diplomas (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.
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.
Diplomat (n.) Alt. of Diplomate
Diplomate (n.) A diplomatist.
Diplomate (v. t.) To invest with a title o/ privilege by diploma.
Diplomatial (a.) 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.
Diplomatic (n.) A minister, official agent, or envoy to a foreign court; a diplomatist.
Diplomatically (adv.) According to the rules of diplomacy; in the manner of a diplomatist; artfully.
Diplomatic (n.) The science of diplomas, or the art of deciphering ancient writings, and determining their age, authenticity, etc.; paleography.
Diplomatism (n.) Diplomacy.
Diplomatist (n.) A person employed in, or skilled in, diplomacy; a diplomat.
Diplopia (n.) Alt. of Diplopy
Diplopy (n.) The act or state of seeing double.
Diplopod (n.) One of the Diplopoda.
Diplopoda (n. pl.) An order of myriapods having two pairs of legs on each segment; the Chilognatha.
Diplostemonous (a.) Having twice as many stamens as petals, as the geranium.
Diplostemony (n.) The condition of being diplostemonous.
Dipneumona (n. pl.) A group of spiders having only two lunglike organs.
Dipnoi (n. pl.) 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.
Dipodies (pl. ) of Dipody
Dipody (n.) Two metrical feet taken together, or included in one measure.
Dipolar (a.) Having two poles, as a magnetic bar.
Dippel's oil () See Bone oil, under Bone.
Dipper (n.) One who, or that which, dips; especially, a vessel used to dip water or other liquid; a ladle.
Dipper (n.) A small grebe; the dabchick.