| CHAINWHEEL | • chainwheel n. Synonym of chainring (“bicycle part”). • CHAINWHEEL n. a toothed wheel, as on a bicycle, which meshes with a chain. |
| HALOTHANES | • halothanes n. Plural of halothane. • HALOTHANE n. an inhalation anaesthetic. |
| HANDWHEELS | • handwheels n. Plural of handwheel. • HANDWHEEL n. any wheel worked by hand; esp. one the rim of which serves as the handle by which a valve, car brake, or other part is adjusted. |
| HATCHELING | • hatcheling v. Present participle of hatchel. • HATCHEL v. to separate flax fibres with a comb, also HACKLE, HECKLE. |
| HEATHLANDS | • heathlands n. Plural of heathland. • HEATHLAND n. barren open country, esp. covered with ericaceous and other low shrubs. |
| HELIANTHUS | • helianthus n. Any plant, of the genus Helianthus, having large flower heads with dark disk florets and showy yellow… • Helianthus prop.n. A taxonomic genus within the family Asteraceae – the sunflowers. • HELIANTHUS n. any plant of the genus Helianthus, such as the sunflower and Jerusalem artichoke. |
| HELLHOUNDS | • hellhounds n. Plural of hellhound. • hell-hounds n. Plural of hell-hound. • hell␣hounds n. Plural of hell hound. |
| HELMINTHIC | • helminthic adj. Of or pertaining to worms; used especially of parasitic worms. • helminthic adj. (Medicine) Causing the expulsion of intestinal worms. • helminthic n. (Medicine) Any medicine that expels intestinal worms. |
| HEPTATHLON | • heptathlon n. (Athletics) An athletic contest comprising seven events; contested mostly by women, for whom this is an Olympic sport. • HEPTATHLON n. an athletic competition with seven events. |
| HEXATHLONS | • HEXATHLON n. an athletic contest comprising six events. |
| HIGHLANDER | • highlander n. A person who inhabits the Scottish Highlands. • highlander n. Any person who lives in mountainous or hilly terrain. • highlander n. (Collectible card games, often capitalized) A game format in which players are allowed no more than… |
| HOLOHEDRON | • holohedron n. A holohedral crystal. • HOLOHEDRON n. a geometrical form possessing the property of holohedrism. |
| HYALOPHANE | • hyalophane n. (Mineralogy) A monoclinic crystalline mineral, a barium-rich potassium feldspar. • HYALOPHANE n. a species of the feldspar group containing barium. |
| HYPHENLESS | • hyphenless adj. Without a hyphen. • HYPHENLESS adj. without a hyphen. |
| LITHOPHANE | • lithophane n. A style of European porcelain in which the figures are seen by transmitted light. • Lithophane prop.n. A taxonomic genus within the family Noctuidae – certain moths. • LITHOPHANE n. porcelain with pictures showing through transparency. |
| PHTHALEINS | • phthaleins n. Plural of phthalein. • PHTHALEIN n. any one of a very important class of dye-yielding materials formed by the union of phenols with phthalic anhydride. |
| UNWITHHELD | • unwithheld adj. Not withheld. • UNWITHHELD adj. not withheld, also UNWITHHOLDEN. |
| WITHHOLDEN | • withholden v. (Rare, archaic) past participle of withhold. • WITHHOLD v. to hold back. |