| ADIAPHORISMS | • ADIAPHORISM n. tolerance or indifference, esp. in the matters of religion. |
| DIACHRONISMS | • DIACHRONISM n. the study of a subject, esp. a language, through its historical development. |
| DIAMORPHINES | • DIAMORPHINE n. a strong painkilling drug. |
| 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. |
| 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. |
| DISHARMONIES | • disharmonies n. Plural of disharmony. • DISHARMONY n. lack of harmony. |
| DISHARMONISE | • disharmonise v. Alternative form of disharmonize. • DISHARMONISE v. to put out of harmony, also DISHARMONIZE. |
| DISHARMONIZE | • disharmonize v. (Intransitive) To cause disorder. • disharmonize v. (Transitive) To make the cause of disorder. • DISHARMONIZE v. to put out of harmony, also DISHARMONISE. |
| ETHIONAMIDES | • ethionamides n. Plural of ethionamide. • ETHIONAMIDE n. a compound used against mycobacteria, as in tuberculosis and leprosy. |
| HAEMOSIDERIN | • haemosiderin n. Alternative form of hemosiderin. • HAEMOSIDERIN n. a pigment that is formed in some phagocytic cells by the breakdown of hemoglobin and is probably essentially a denatured form of ferritin, also HEMOSIDERIN. |
| HEMODIALYSIS | • hemodialysis n. (Medicine) A dialysis utilizing extracorporeal removal of waste products from the blood in the case of kidney failure. • HEMODIALYSIS n. dialysis, also HAEMODIALYSIS. |
| HIPPODAMISTS | • HIPPODAMIST n. a horse-tamer. |
| MEDIATORSHIP | • mediatorship n. The office or character of a mediator. • MEDIATORSHIP n. the office of mediator. |
| OPHIDIARIUMS | • OPHIDIARIUM n. a snake-house. |
| RADIOCHEMIST | • radiochemist n. A chemist who specializes in radiochemistry. • RADIOCHEMIST n. one who practises radiochemistry. |
| 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 • THALIDOMIDE n. a nonbarbiturate sedative drug, withdrawn in 1961 because found to cause malformation in the fetus if taken during pregnancy. |