| AXEROPHTHOL | • axerophthol n. Vitamin A. • AXEROPHTHOL n. vitamin A, a pale yellow crystalline substance, deficiency of which causes xerophthalmia. |
| DIPHTHERIAL | • diphtherial adj. Relating to diphtheria. • DIPHTHERIAL adj. relating to diphtheria. |
| HELICOGRAPH | • helicograph n. An instrument for drawing spiral lines on a plane. • HELICOGRAPH n. an instrument for drawing spirals on a plane. |
| HELIOGRAPHS | • heliographs n. Plural of heliograph. • heliographs v. Third-person singular simple present indicative form of heliograph. • HELIOGRAPH v. to signal by heliograph. |
| HELIOGRAPHY | • heliography n. The scientific study of the sun. • heliography n. The art of making a heliograph. • heliography n. The system of signalling by heliograph. |
| HEPTACHLORS | • heptachlors n. Plural of heptachlor. • HEPTACHLOR n. a very toxic pesticide. |
| HEPTAHEDRAL | • heptahedral adj. Having seven plane surfaces. • HEPTAHEDRAL adj. like a heptahedron. |
| HERALDSHIPS | • heraldships n. Plural of heraldship. • HERALDSHIP n. the office of a herald. |
| HOLOGRAPHED | • holographed v. Simple past tense and past participle of holograph. • HOLOGRAPH v. to write a text in one's own handwriting. |
| HOLOGRAPHER | • holographer n. One who creates holograms. • HOLOGRAPHER n. one who makes holographs. |
| HOLOPHRASES | • holophrases n. Plural of holophrasis. • HOLOPHRASE n. a single word expressing a sentence or phrase. |
| HYPOTHERMAL | • hypothermal adj. Involving extremely low temperatures. • hypothermal adj. (Geology) Formed or deposited under hypothermal conditions. • HYPOTHERMAL adj. of or relating to a hydrothermal metalliferous ore vein deposited at high temperature. |
| PHYLARCHIES | • phylarchies n. Plural of phylarchy. • PHYLARCHY n. the office of a phylarch; government of a class or tribe. |
| PLOUGHSHARE | • ploughshare n. (British spelling) Alternative spelling of plowshare. • PLOUGHSHARE n. the cutting blade of a plough, also PLOWSHARE. |