| DIASTROPHISM | • diastrophism n. (Geology) The deformation of the Earth’s crust to form the continents, mountains and other large features. • DIASTROPHISM n. the process by which continents, mountains, ocean beds, folds and faults are formed. |
| DICHOTOMISED | • dichotomised v. Simple past tense and past participle of dichotomise. • DICHOTOMISE v. to render dichotomous, also DICHOTOMIZE. |
| DICHOTOMISES | • dichotomises v. Third-person singular simple present indicative form of dichotomise. • DICHOTOMISE v. to render dichotomous, also DICHOTOMIZE. |
| DICHOTOMISTS | • dichotomists n. Plural of dichotomist. • DICHOTOMIST n. one that dichotomizes. |
| DICHOTOMIZES | • dichotomizes v. Third-person singular simple present indicative form of dichotomize. • DICHOTOMIZE v. to render dichotomous, also DICHOTOMISE. |
| DICHROMATICS | • DICHROMATIC n. a person with dichromatic vision. |
| DICHROMATISM | • dichromatism n. The condition of being dichromatic. • dichromatism n. (Pathology) A form of colourblindness in which only two of the three primary colours can be distinguished. • dichromatism n. (Biology) The condition when male and female birds have different plumage colors. |
| DINOTHERIUMS | • dinotheriums n. Plural of dinotherium. • DINOTHERIUM n. an extinct elephantine mammal with downward-curving tusks, also DEINOTHERE, DEINOTHERIUM, DINOTHERE. |
| ETHIONAMIDES | • ethionamides n. Plural of ethionamide. • ETHIONAMIDE n. a compound used against mycobacteria, as in tuberculosis and leprosy. |
| HIPPODAMISTS | • HIPPODAMIST n. a horse-tamer. |
| IDIOTHERMOUS | • IDIOTHERMOUS adj. warm-blooded. |
| MEDIATORSHIP | • mediatorship n. The office or character of a mediator. • MEDIATORSHIP n. the office of mediator. |
| OPISTHODOMOI | • opisthodomoi n. Plural of opisthodomos. • OPISTHODOMOS n. (Greek) a portico or apartment at the back of an ancient Greek or Roman temple. |
| POSTMIDNIGHT | • postmidnight adj. After midnight, but prior to dawn. • post-midnight adj. Alternative form of postmidnight. • POSTMIDNIGHT adj. taking place after midnight. |
| RADIOCHEMIST | • radiochemist n. A chemist who specializes in radiochemistry. • RADIOCHEMIST n. one who practises radiochemistry. |
| SHITTIMWOODS | • SHITTIMWOOD n. the wood of the shittah tree, believed to be a species of acacia, also SHITTIM. |
| THALIDOMIDES | • thalidomides n. Plural of thalidomide. • THALIDOMIDE n. a nonbarbiturate sedative drug, withdrawn in 1961 because found to cause malformation in the fetus if taken during pregnancy. |