| ANHYDRIDES | • anhydrides n. Plural of anhydride. • ANHYDRIDE n. a compound derived from an acid by the removal of one or more molecules of water. |
| ANHYDRITES | • anhydrites n. Plural of anhydrite. • ANHYDRITE n. an anhydrous sulphate of lime, differing from gypsum in not containing water (whence the name). |
| ENHYDRITES | • enhydrites n. Plural of enhydrite. • ENHYDRITE n. a mineral with fluid inclusions. |
| ERYTHRINAS | • erythrinas n. Plural of erythrina. • ERYTHRINA n. a plant of the kaffirboom genus of tropical and subtropical trees with brilliant red flowers. |
| ERYTHROSIN | • erythrosin n. (Chemistry) A red substance formed by the oxidation of tyrosin. • erythrosin n. (Chemistry) A red dyestuff obtained from fluorescein by the action of iodine. • ERYTHROSIN n. a red substance formed by the oxidation of tyrosine, also ERYTHROSINE. |
| GYNARCHIES | • gynarchies n. Plural of gynarchy. • GYNARCHY n. government by women. |
| HERCYNITES | • hercynites n. Plural of hercynite. • HERCYNITE n. black spinel, an aluminate of iron. |
| HYDRASTINE | • hydrastine n. (Organic chemistry) A natural alkaloid present in goldenseal. • HYDRASTINE n. a white poisonous alkaloid extracted from the roots of the goldenseal, which has been used in medicine to contract the uterus and arrest haemorrhage. |
| HYDRAZINES | • hydrazines n. Plural of hydrazine. • HYDRAZINE n. a colourless basic liquid made from sodium hypochlorite and ammonia, used chiefly as a rocket fuel. |
| HYPERICINS | • hypericins n. Plural of hypericin. • HYPERICIN n. a compound with antidepressant properties, found in St John's wort. |
| HYPERLINKS | • hyperlinks n. Plural of hyperlink. • hyperlinks v. Third-person singular simple present indicative form of hyperlink. • HYPERLINK v. to connect by hyperlink. |
| HYPERSONIC | • hypersonic adj. (Of a speed, aviation) Equal to, or greater than, or capable of achieving, five times the speed of sound. • hypersonic adj. (Of a speed, aeronautics) Far enough above the speed of sound as to cause significant differences in… • HYPERSONIC adj. flying at more than five times the speed of sound. |
| HYPNOTISER | • hypnotiser n. Alternative form of hypnotizer. • HYPNOTISER n. one who hypnotises, also HYPNOTIZER. |
| PHRENSYING | • phrensying v. Present participle of phrensy. • PHRENSY v. to make frantic, also FRENZY. |
| PYRETHRINS | • pyrethrins n. Plural of pyrethrin. • PYRETHRIN n. either of two insecticidal oily esters prepared from pyrethrum flowers. |
| STRYCHNINE | • strychnine n. (Organic chemistry) A very toxic, colourless crystalline alkaloid, derived from nux vomica, used as a pesticide. • STRYCHNINE v. to poison with strychnine, a very poisonous alkaloid obtained from the seeds of the nux vomica plant. |
| SYNARCHIES | • synarchies n. Plural of synarchy. • SYNARCHY n. joint sovereignty. |
| SYPHERINGS | • SYPHERING n. joining boards edge to edge or overlapping to form a level surface. |
| THYROXINES | • thyroxines n. Plural of thyroxine. • THYROXINE n. an iodine compound, a hormone forming the active principle of the thyroid gland, also THYROXIN. |