| HELICOGRAPH | • helicograph n. An instrument for drawing spiral lines on a plane. • HELICOGRAPH n. an instrument for drawing spirals on a plane. |
| HELIOCHROME | • heliochrome n. (Obsolete) A photograph representing an object in its natural colours. • HELIOCHROME n. (tradename) a photograph in natural colours. |
| HELIOCHROMY | • heliochromy n. (Dated) The art of producing colour photographs. • HELIOCHROMY n. photography in natural colours. |
| 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. |
| HELIOSPHERE | • heliosphere n. (Astronomy) The region of space where interstellar medium is blown away by solar wind; the boundary… • HELIOSPHERE n. the region in space influenced by the sun or solar wind. |
| HETEROPHILE | • heterophile adj. Able to react immunologically with material from another species. • heterophile n. (Immunology) A heterophilic antibody. • HETEROPHILE n. a polymorphonuclear leukocyte in humans that may be stained with dyes, also HETEROPHIL. |
| HETEROPHILS | • heterophils n. Plural of heterophil. • HETEROPHIL n. a polymorphonuclear leukocyte in humans that may be stained with dyes, also HETEROPHILE. |
| HIEROGLYPHS | • hieroglyphs n. Plural of hieroglyph. • HIEROGLYPH n. a character used in a system of hieroglyphic writing, also HIEROGLYPHIC. |
| HOLDERSHIPS | • holderships n. Plural of holdership. • HOLDERSHIP n. the state of being a holder e.g. of a bill. |
| HOLOHEDRISM | • holohedrism n. The property of being holohedral. • HOLOHEDRISM n. the property of having the full number of symmetrically arranged planes crystallographically possible. |
| HYDROPHILES | • hydrophiles n. Plural of hydrophile. • HYDROPHILE n. a plant loving moist places, also HYGROPHILE. |
| HYGROPHILES | • HYGROPHILE n. a plant loving moist places, also HYDROPHILE. |
| LITHOSPHERE | • lithosphere n. (Geology) The rigid, mechanically strong, outer layer of the Earth; divided into twelve major plates. • LITHOSPHERE n. the solid outer portion of the Earth consisting of the crust and upper mantle, approximately 100 km (62 miles) thick. |
| OTHERWHILES | • otherwhiles adv. (Archaic) At another time, or other times. • otherwhiles adv. (Archaic) sometimes; occasionally. • OTHERWHILES adv. (archaic) at other times, sometimes, also OTHERWHILE. |
| PHILOSOPHER | • philosopher n. (Originally) A lover of wisdom. • philosopher n. A student of philosophy. • philosopher n. A scholar or expert engaged in or contributing to philosophical inquiry. |
| THERMOPHILE | • thermophile n. (Biology) An organism that lives and thrives at relatively high temperatures; a form of extremophile;… • THERMOPHILE adj. requiring, or thriving best in, high temperatures. • THERMOPHILE n. a bacteria, plant etc. requiring or thriving in high temperatures, also THERMOPHIL, THERMOPHILIC, THERMOPHILOUS. |
| THERMOPHILS | • THERMOPHIL n. a bacteria, plant etc. requiring or thriving in high temperatures, also THERMOPHILE, THERMOPHILIC, THERMOPHILOUS. |
| WITHHOLDERS | • withholders n. Plural of withholder. • WITHHOLDER n. one who withholds. |