| DECOMPOUNDABLE | • decompoundable adj. Capable of being decompounded. • DECOMPOUNDABLE adj. able to be decompounded. |
| DIPLEIDOSCOPES | • dipleidoscopes n. Plural of dipleidoscope. • DIPLEIDOSCOPE n. an instrument for ascertaining the moment of meridian passage by observing the coincidence of two images. |
| DIPROTODONTIDS | • diprotodontids n. Plural of diprotodontid. • DIPROTODONTID n. an animal of the Diprotodontidae, an extinct family of marsupials including the genus Diprotodon. |
| DODECAPHONISMS | • DODECAPHONISM n. twelve-tone music, also DODECAPHONY. |
| DODECAPHONISTS | • dodecaphonists n. Plural of dodecaphonist. • DODECAPHONIST n. a composer or admirer of twelve-tone music. |
| DRAUGHTPROOFED | • draughtproofed v. Simple past tense and past participle of draughtproof. • DRAUGHTPROOF v. to make proof against draughts. |
| ENDOPOLYPLOIDY | • endopolyploidy n. The replication of chromosomes without the division of the cell nucleus; generates a polyploid nucleus. • ENDOPOLYPLOIDY n. a polyploid state in which the chromosomes have divided repeatedly without subsequent division of the nucleus or cell. |
| HYDROCEPHALOID | • hydrocephaloid adj. (Medicine) Resembling hydrocephalus. • HYDROCEPHALOID adj. suffering from hydrocephalus, an accumulation of serous fluid within the cranial cavity. |
| HYDROPEROXIDES | • hydroperoxides n. Plural of hydroperoxide. • HYDROPEROXIDE n. a compound containing an O2H group. |
| 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. |
| LEPIDODENDROID | • lepidodendroid adj. (Paleontology) Allied to, or resembling, Lepidodendron. • lepidodendroid n. Alternative form of lepidodendrid. • LEPIDODENDROID n. any of a genus of fossil trees. |
| PRECONDITIONED | • preconditioned v. Simple past tense and past participle of precondition. • PRECONDITION v. to put in a proper or desired condition or frame of mind esp. in preparation. |