| ADDITIONS | • additions n. Plural of addition. • ADDITION n. something added. |
| ASPIDIOID | • ASPIDIOID adj. like an aspidium, a shield-fern. |
| CARDIOIDS | • cardioids n. Plural of cardioid. • CARDIOID n. a heart-shaped curve. |
| DEIONISED | • deionised adj. Alternative spelling of deionized. • deionised v. Simple past tense and past participle of deionise. • DEIONISE v. to remove ions from, also DEIONIZE. |
| DEOXIDISE | • deoxidise v. Alternative spelling of deoxidize. • DEOXIDISE v. to remove oxygen from, also DEOXIDIZE. |
| DIDDICOYS | • diddicoys n. Plural of diddicoy. • DIDDICOY n. (Romany) an itinerant tinker, also DIDAKAI, DIDAKEI, DIDICOI, DIDICOY. |
| DIOPSIDES | • diopsides n. Plural of diopside. • DIOPSIDE n. a mineral, a crystallized variety of pyroxene, of a clear, grayish green color. |
| DIOPSIDIC | • diopsidic adj. Of or relating to the mineral diopside. • DIOPSIDIC adj. relating to diopside, a crystallized variety of pyroxene, of a clear, grayish green color. |
| DISBODIED | • disbodied adj. (Archaic) disembodied. • DISBODIED adj. disembodied. |
| DISCOIDAL | • discoidal adj. Having the flat, circular shape of a disc or a quoit. • DISCOIDAL adj. disk-shaped. |
| DISJOINED | • disjoined v. Simple past tense and past participle of disjoin. • disjoined adj. Separated. • DISJOIN v. to separate. |
| DIVIDUOUS | • dividuous adj. Divided; dividual. • DIVIDUOUS adj. divided; special. |
| DORIDOIDS | • DORIDOID n. a shell-less mollusc. |
| INDIGOIDS | • indigoids n. Plural of indigoid. • INDIGOID n. a blue dye. |
| PERIODIDS | • periodids n. Plural of periodid. • PERIODID n. a compound of iodine, also PERIODIDE. |
| VIDEODISC | • videodisc n. A video recording of visual images and sounds on an optical disc that can be played on a television receiver. • VIDEODISC n. a compact disk on which video is stored, also VIDEODISK. |
| VIDEODISK | • videodisk n. Alternative spelling of videodisc. • VIDEODISK n. a compact disk on which video is stored, also VIDEODISC. |