| AMARYLLIDS | • amaryllids n. Plural of amaryllid. • AMARYLLID n. any member of the amaryllis family, also AMARYLLIS. |
| BIPYRAMIDS | • bipyramids n. Plural of bipyramid. • BIPYRAMID n. a crystal formed of two pyramids base to base. |
| BRADYSEISM | • bradyseism n. (Volcanology) A gradual uplift or descent of part of the Earth’s surface caused by the filling or emptying… • BRADYSEISM n. a slow up-and-down movement of the earth's crust. |
| DAIRYMAIDS | • dairymaids n. Plural of dairymaid. • DAIRYMAID n. a woman who works in a dairy. |
| DISHARMONY | • disharmony n. The absence of harmony or concordance. • DISHARMONY n. lack of harmony. |
| DITHYRAMBS | • dithyrambs n. Plural of dithyramb. • DITHYRAMB n. a hymn or poem to honor Bacchus. |
| DYNAMITERS | • dynamiters n. Plural of dynamiter. • DYNAMITER n. (archaic) a user of dynamite esp. for political purposes, also DYNAMITARD. |
| GYNANDRISM | • gynandrism n. Gynandromorphism. • GYNANDRISM n. the state of being gynandrous, also GYNANDRY. |
| HYBRIDOMAS | • hybridomas n. Plural of hybridoma. • HYBRIDOMA n. a hybrid cell produced by the fusion of an antibody-producing lymphocyte with a tumor cell. |
| HYDRAEMIAS | • hydraemias n. Plural of hydraemia. • HYDRAEMIA n. an abnormally watery state of the blood, also HYDREMIA. |
| MARTYRISED | • martyrised v. Simple past tense and past participle of martyrise. • MARTYRISE v. to cause to suffer martyrdom, also MARTYRIZE. |
| MISTRAYNED | • MISTRAYNED adj. (Spenser) drawn away, misled. |
| MYDRIATICS | • mydriatics n. Plural of mydriatic. • MYDRIATIC n. a substance causing dilatation of the pupil of the eye. |
| PYRAMIDIST | • pyramidist n. An expert in Egyptian pyramids. • PYRAMIDIST n. someone who studies the Egyptian pyramids. |
| PYRAMIDONS | • pyramidons n. Plural of pyramidon. • PYRAMIDON n. an organ-stop with pipes like inverted pyramids. |
| SYNANDRIUM | • synandrium n. (Botany) An androecium of which the anthers have been fused. • SYNANDRIUM n. a mass of united stamens. |