| HYDROSULPHATES | • hydrosulphates n. Plural of hydrosulphate. • HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate. |
| HYDROSULPHIDES | • hydrosulphides n. Plural of hydrosulphide. • HYDROSULPHIDE n. a compound formed by action of hydrogen sulphide on a hydroxide. |
| HYDROSULPHITES | • hydrosulphites n. Plural of hydrosulphite. • HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent. |
| HYPERACUTENESS | • hyperacuteness n. The quality of being hyperacute. • HYPERACUTE n. excessively acute. |
| HYPERCONSCIOUS | • hyperconscious adj. Extremely conscious or aware. • HYPERCONSCIOUS adj. excessively conscious. |
| HYPERIMMUNISES | • hyperimmunises v. Third-person singular simple present indicative form of hyperimmunise. • HYPERIMMUNISE v. to induce a high level of immunity or of circulating antibodies in, as by a long course of injections of antigen, also HYPERIMMUNIZE. |
| HYPERURBANISMS | • hyperurbanisms n. Plural of hyperurbanism. • HYPERURBANISM n. use of hypercorrect forms in language. |
| HYPOSULPHUROUS | • hyposulphurous adj. Alternative form of hyposulfurous. • HYPOSULPHUROUS adj. of or derived from hyposulphurous acid. |
| PLEURAPOPHYSES | • pleurapophyses n. Plural of pleurapophysis. • PLEURAPOPHYSIS n. a lateral process of a vertebra, with the morphological character of a rib. |
| PLEURAPOPHYSIS | • pleurapophysis n. A process on a vertebra that is essentially a vertebral rib. • PLEURAPOPHYSIS n. a lateral process of a vertebra, with the morphological character of a rib. |
| PSYCHONEUROSES | • psychoneuroses n. Plural of psychoneurosis. • PSYCHONEUROSIS n. neurosis. |
| PSYCHONEUROSIS | • psychoneurosis n. (Dated) neurosis. • PSYCHONEUROSIS n. neurosis. |
| PSYCHOSURGEONS | • psychosurgeons n. Plural of psychosurgeon. • PSYCHOSURGEON n. a practitioner of psychosurgery. |
| PSYCHOSURGICAL | • psychosurgical adj. Relating to psychosurgery. • PSYCHOSURGICAL adj. relating to psychosurgery. |
| SCLEROPHYLLOUS | • sclerophyllous adj. Relating to sclerophylls. • SCLEROPHYLLOUS adj. having sclerophylls, hard leathery leaves. |
| SULPHONYLUREAS | • sulphonylureas n. Plural of sulphonylurea. • SULPHONYLUREA n. a synthetic compound used to reduce the level of glucose in the blood in diabetes mellitus. |
| THYSANOPTEROUS | • thysanopterous adj. Of or pertaining to the Thysanoptera. • THYSANOPTEROUS adj. belonging to the Thysanoptera, an order of insects with fringed wings, some of which are serious pests to fruit, such as thrips. |
| TRACHYPTERUSES | • TRACHYPTERUS n. any member of the dealfish genus Trachypterus. |