| ANHYDRASE | • anhydrase n. (Chemistry) An enzyme that catalyzes the removal of water from a material. • ANHYDRASE n. an enzyme that catalyses the removal of water. |
| ANHYDRIDE | • anhydride n. (Chemistry) any compound formally derived from another (or from others) by the loss of a water molecule… • ANHYDRIDE n. a compound derived from an acid by the removal of one or more molecules of water. |
| ANHYDRITE | • anhydrite n. (Mineralogy) An evaporite mineral made of anhydrous calcium sulfate. • ANHYDRITE n. an anhydrous sulphate of lime, differing from gypsum in not containing water (whence the name). |
| ANHYDROUS | • anhydrous adj. Having little or no water. • anhydrous adj. (Chemistry) Having no water of crystallization. • ANHYDROUS adj. destitute of water; as, anhydrous salts or acids. |
| CHANDLERY | • chandlery n. The art or trade of candlemaking. • chandlery n. A business, shop or warehouse used in candlemaking. • chandlery n. An operation (usually, a business) which provides supplies. |
| DIACHRONY | • diachrony n. The study of change over time, especially changes to language. • DIACHRONY n. the historical development of a language etc. |
| GRAYHOUND | • grayhound n. (American spelling, uncommon) Alternative form of greyhound. • GRAYHOUND n. a tall slender fast-moving dog of an ancient breed originally used for coursing, also GREYHOUND. |
| HANDYWORK | • handywork n. Dated form of handiwork. • HANDYWORK n. work done by the hands or by direct personal agency, also HANDIWORK, HANDWORK. |
| HORNYHEAD | • hornyhead n. Any North American chubs of the genus Nocomis, especially Nocomis biguttatus. • HORNYHEAD n. a North American river chub. |
| HUSBANDRY | • husbandry n. The occupation or work of a husbandman or farmer; the cultivation of crops and the raising of livestock; agriculture. • husbandry n. The prudent management or conservation of resources. • husbandry n. (Now chiefly nautical) Administration or management of day-to-day matters. |
| HYDRANGEA | • hydrangea n. Any of several shrubs, of the genus Hydrangea, having large clusters of white, pink or blue flowers. • Hydrangea prop.n. A taxonomic genus within the family Hydrangeaceae – the hydrangeas. • HYDRANGEA n. a plant of the Hydrangea genus of shrubby plants. |
| HYDRANTHS | • hydranths n. Plural of hydranth. • HYDRANTH n. a nutritive zooid in a colony of hydrozoans. |
| HYDRATING | • hydrating v. Present participle of hydrate. • HYDRATE v. to combine with water. |
| HYDRATION | • hydration n. (Chemistry) The incorporation of water molecules into a complex with those of another compound. • hydration n. (Biology) The process of providing an adequate amount of water to body tissues. • hydration n. (Construction) The chemical reaction by which a substance (such as cement) combines with water, giving… |
| HYDRAZINE | • hydrazine n. (Inorganic chemistry, uncountable) A corrosive, fuming liquid, NH2-NH2, used as a rocket fuel. • hydrazine n. (Organic chemistry, countable) Any member of the class of organic compounds formally derived from NH… • HYDRAZINE n. a colourless basic liquid made from sodium hypochlorite and ammonia, used chiefly as a rocket fuel. |
| HYDRONAUT | • hydronaut n. An undersea explorer, such as a submariner. • HYDRONAUT n. a person trained to work in an underwater vessel. |
| HYDROVANE | • hydrovane n. A hydrofoil. • HYDROVANE n. a hydrofoil. |
| HYDROZOAN | • hydrozoan n. Any of many colonial coelenterates, of the class Hydrozoa, including the hydras, hydroids, hydrocorals… • HYDROZOAN n. any coelenterate of the class Hydrozoa, comprising organisms that are mostly marine and colonial with polyp and medusoid stages in the life cycle, also HYDROZOON. |
| WHINYARDS | • whinyards n. Plural of whinyard. • WHINYARD n. (historical) a short sword or dirk, also WHINIARD. |