| DIPHENYLAMINES | • diphenylamines n. Plural of diphenylamine. • DIPHENYLAMINE n. a crystalline compound used chiefly in the manufacture of dyes and as an indicator. |
| DIPHENYLKETONE | • diphenylketone n. (Organic chemistry) The aromatic ketone diphenylmethanone. • DIPHENYLKETONE n. the aromatic ketone benzophenone. |
| DIPHTHERITISES | • DIPHTHERITIS n. diphtheria. |
| DIPHTHONGISING | • diphthongising v. Present participle of diphthongise. • DIPHTHONGISE v. to make into a diphthong, also DIPHTHONGIZE. |
| DIPHTHONGIZING | • diphthongizing v. Present participle of diphthongize. • DIPHTHONGIZE v. to make into a diphthong, also DIPHTHONGISE. |
| DIPLEIDOSCOPES | • dipleidoscopes n. Plural of dipleidoscope. • DIPLEIDOSCOPE n. an instrument for ascertaining the moment of meridian passage by observing the coincidence of two images. |
| DIPLOMATICALLY | • diplomatically adv. In a diplomatic manner. • diplomatically adv. (Domain) From the perspective of diplomacy. • DIPLOMATICAL adv. relating to diplomacy, also DIPLOMATIC. |
| DIPLOSTEMONOUS | • diplostemonous adj. (Botany) Having twice as many stamens as petals in two whorls, the inner aligned with the petals. • diplostemonous adj. (Botany, uncommon) Having twice as many stamens as petals. • DIPLOSTEMONOUS adj. having two whorls of stamens, the outer alternating with the petals, the inner with the outer. |
| DIPROTODONTIDS | • diprotodontids n. Plural of diprotodontid. • DIPROTODONTID n. an animal of the Diprotodontidae, an extinct family of marsupials including the genus Diprotodon. |
| DIPTEROCARPOUS | • DIPTEROCARPOUS adj. of or like a dipterocarp. |
| HYPODIPLOIDIES | • hypodiploidies n. Plural of hypodiploidy, referring to types thereof. • HYPODIPLOIDY n. the state of being hypodiploid, having slightly fewer than the diploid number of chromosomes. |
| SERENDIPITISTS | • serendipitists n. Plural of serendipitist. • SERENDIPITIST n. a person who believes in serendipity; a person who has this faculty. |
| SUPERDIPLOMATS | • superdiplomats n. Plural of superdiplomat. • SUPERDIPLOMAT n. an exceptional diplomat. |