| CHLOROPHYTUMS | • CHLOROPHYTUM n. any plant of the genus Chlorophytum, grown as pot plants for their long narrow leaves. |
| CHRYSANTHEMUM | • chrysanthemum n. Any of many flowering perennial plants, of the genus Chrysanthemum, native to China, that have showy radiate heads. • Chrysanthemum prop.n. A taxonomic genus within the family Asteraceae – the chrysanthemums. • CHRYSANTHEMUM n. any of several cultivated plants of the Chrysanthemum genus, with colourful double flower-heads. |
| HYDROCEPHALUS | • hydrocephalus n. (Medicine) A usually congenital condition in which an abnormal accumulation of fluid in the cerebral… • HYDROCEPHALUS n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALY. |
| HYDROSULPHATE | • hydrosulphate n. Alternative form of hydrosulfate. • HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate. |
| HYDROSULPHIDE | • hydrosulphide n. (Britain) Alternative spelling of hydrosulfide. • HYDROSULPHIDE n. a compound formed by action of hydrogen sulphide on a hydroxide. |
| HYDROSULPHITE | • hydrosulphite n. Alternative spelling of hydrosulfite. • HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent. |
| HYPERTROPHOUS | • hypertrophous adj. (Dated, medicine) Hypertrophic. • HYPERTROPHOUS adj. of an organ, abnormally enlarged. |
| HYPOCHONDRIUM | • hypochondrium n. (Anatomy) The upper region of the abdomen, below the lower ribs, each side of the epigastrium. • HYPOCHONDRIUM n. either of two regions of the upper part of the abdomen. |
| HYPOSULPHURIC | • hyposulphuric adj. Alternative spelling of hyposulfuric. • HYPOSULPHURIC adj. denoting a kind of acid. |
| HYSTERANTHOUS | • hysteranthous adj. (Botany) Having the leaves emerge after the flowers have opened. It typically refers to geophytes that… • HYSTERANTHOUS adj. having the leaves appearing after the flowers. |
| ICHTHYOSAURUS | • ichthyosaurus n. (Archaic) Alternative form of ichthyosaur. • ichthyosaurus n. Any members of the genus Ichthyosaurus. • Ichthyosaurus prop.n. A taxonomic genus within the family Ichthyosauridae – large, extinct marine reptiles. |
| MERRYTHOUGHTS | • merrythoughts n. Plural of merrythought. • MERRYTHOUGHT n. the furcula between the neck and breastbone of poultry, aka wishbone. |
| OXYRHYNCHUSES | • OXYRHYNCHUS n. an Egyptian fish, sacred to the goddess Hathor, represented on coins and sculptures. |
| SUPERHIGHWAYS | • superhighways n. Plural of superhighway. • SUPERHIGHWAY n. a multilane highway (as an expressway or turnpike) designed for high-speed traffic. |
| UNTHRIFTYHEAD | • UNTHRIFTYHEAD n. (Spenser) unthriftiness, also UNTHRIFTYHED. |
| UNTHRIFTYHEDS | • UNTHRIFTYHED n. (Spenser) unthriftiness, also UNTHRIFTYHEAD. |