| DICHROITIC | • dichroitic adj. Dichroic. • DICHROITIC adj. having two colours; as, a dichroic crystal, also DICHROIC. |
| DIGITIFORM | • digitiform adj. Having the shape of a finger. • DIGITIFORM adj. shaped like a finger. |
| DIGITORIUM | • digitorium n. A small keyboard used by pianists for exercising the fingers, without producing any sound; a dumb piano. • DIGITORIUM n. (Latin) a silent piano for practicing. |
| EPIDIORITE | • epidiorite n. A greenish metamorphic rock composed of plagioclase and hornblende. • EPIDIORITE n. a dioritic or gabbroitic rock more or less metamorphosed. |
| FIBRINOIDS | • fibrinoids n. Plural of fibrinoid. • FIBRINOID n. a natural material that resembles fibrin. |
| HIRUDINOID | • HIRUDINOID adj. like a leech. |
| IPRONIAZID | • iproniazid n. A hydrazine drug formerly used as an antidepressant. • IPRONIAZID n. a derivative of isoniazid used in the treatment of tuberculosis. |
| IRIDOSMINE | • iridosmine n. A native compound of iridium and osmium. • IRIDOSMINE n. a very hard corrosion-resistant white or grey natural alloy of osmium and iridium used esp. in pen nibs, also IRIDOSMIUM, OSMIRIDIUM. |
| IRIDOSMIUM | • iridosmium n. Iridosmine. • IRIDOSMIUM n. a very hard corrosion-resistant white or grey natural alloy of osmium and iridium used esp. in pen nibs, also IRIDOSMINE, OSMIRIDIUM. |
| OPHIDIARIA | • ophidiaria n. Plural of ophidiarium. • OPHIDIARIUM n. a snake-house. |
| OSMIRIDIUM | • osmiridium n. (Mineralogy) A hard, corrosion-resistant alloy of osmium and iridium, used in pen nibs. • OSMIRIDIUM n. a very hard corrosion-resistant white or grey natural alloy of osmium and iridium, also IRIDOSMINE, IRIDOSMIUM. |
| REDIVISION | • redivision n. Division again or anew. • REDIVISION n. the act of dividing again. |
| RHIPIDIONS | • rhipidions n. Plural of rhipidion. • RHIPIDION n. (Greek) in the Greek Orthodox church, the eucharistical fan or flabellum. |
| RIPIDOLITE | • ripidolite n. (Mineralogy) A translucent green chlorite mineral of micaceous structure; a hydrous silicate of alumina… • RIPIDOLITE n. a translucent mineral of the chlorite group, aka clinochlore. |
| SOLIDIFIER | • solidifier n. Someone who or something that solidifies. • SOLIDIFIER n. one who solidifies. |
| TRIDOMINIA | • TRIDOMINIUM n. (Latin) threefold rule. |