| AEROHYDROPLANES | • AEROHYDROPLANE n. a winged hydroplane or flying-boat. |
| CROTONALDEHYDES | • crotonaldehydes n. Plural of crotonaldehyde. • CROTONALDEHYDE n. a pungent liquid aldehyde obtained by dehydration of aldol. |
| DEHYDRORETINOLS | • DEHYDRORETINOL n. vitamin A2. |
| DEMYTHOLOGISERS | • DEMYTHOLOGISER n. one who demythologises, also DEMYTHOLOGIZER. |
| DEMYTHOLOGIZERS | • demythologizers n. Plural of demythologizer. • DEMYTHOLOGIZER n. one who demythologizes, also DEMYTHOLOGISER. |
| DEPHOSPHORYLATE | • dephosphorylate v. To cause, or undergo dephosphorylation. • DEPHOSPHORYLATE v. to remove phosphate groups from an organic compounds. |
| DISHARMONIOUSLY | • disharmoniously adv. In a disharmonious manner. • DISHARMONIOUS adv. lacking in harmony. |
| GEOHYDROLOGISTS | • geohydrologists n. Plural of geohydrologist. • GEOHYDROLOGIST n. one who studies geohydrology. |
| HETERODACTYLOUS | • heterodactylous adj. (Zoology) Having the first and second toes turned backward, as in the trogons. • HETERODACTYLOUS adj. having the first and second toes turned backwards, as in trogons, and not the first and fourth as in parrots. |
| HYDROBIOLOGISTS | • hydrobiologists n. Plural of hydrobiologist. • HYDROBIOLOGIST n. a student of hydrobiology. |
| HYDROCELLULOSES | • HYDROCELLULOSE n. a gelatinous material obtained by hydration of cellulose, used in papermaking, etc. |
| HYDROCORALLINES | • HYDROCORALLINE n. a member the Hydrozoa, which includes millepores etc. |
| HYDROGEOLOGISTS | • hydrogeologists n. Plural of hydrogeologist. • HYDROGEOLOGIST n. a student of hydrogeology. |
| HYDROSULPHUROUS | • HYDROSULPHUROUS adj. as in hydrosulphurous acid. |
| HYDROXYPROLINES | • hydroxyprolines n. Plural of hydroxyproline. • HYDROXYPROLINE n. an amino acid. |
| LABYRINTHODONTS | • labyrinthodonts n. Plural of labyrinthodont. • LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth. |
| LIPODYSTROPHIES | • lipodystrophies n. Plural of lipodystrophy. • LIPODYSTROPHY n. a medical condition characterized by abnormal or degenerative conditions of the body's adipose tissue. |