| 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. |
| HERCYNITES | • hercynites n. Plural of hercynite. • HERCYNITE n. black spinel, an aluminate of iron. |
| HERRYMENTS | • HERRYMENT n. (Scots) spoliation, plunder, also HERRIMENT. |
| HETERONYMS | • heteronyms n. Plural of heteronym. • HETERONYM n. a word having same spelling but different sound and meaning e.g. lead/lead. |
| HONEYTRAPS | • honeytraps n. Plural of honeytrap (alternative spelling of honey traps). • honey␣traps n. Plural of honey trap. • HONEYTRAP n. a scheme in which a victim is lured into a compromising sexual situation giving opportunities for blackmail. |
| 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. |
| HYPERTENSE | • hypertense adj. Extremely tense. • HYPERTENSE adj. excessively tense. |
| HYPNOTISER | • hypnotiser n. Alternative form of hypnotizer. • HYPNOTISER n. one who hypnotises, also HYPNOTIZER. |
| NEWSWORTHY | • newsworthy adj. Interesting enough to be reported as a news. • NEWSWORTHY adj. interesting enough to the general public to warrant reporting. |
| PHEASANTRY | • pheasantry n. (Zoology) A place for keeping and rearing pheasants. • PHEASANTRY n. a place for keeping and rearing pheasants. |
| PHENOCRYST | • phenocryst n. (Mineralogy) Any relatively large crystal embedded in a more fine-grained or glassy igneous rock. • PHENOCRYST n. a larger crystal in a porphyritic rock. |
| PYRETHRINS | • pyrethrins n. Plural of pyrethrin. • PYRETHRIN n. either of two insecticidal oily esters prepared from pyrethrum flowers. |
| SOUTHERNLY | • southernly adj. Southerly, somewhat southern. • southernly adv. Southward, southerly. • southernly adv. In a Southern manner, in a way typical of a Southerner or of the South (the southern United States). |
| 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. |
| THYROXINES | • thyroxines n. Plural of thyroxine. • THYROXINE n. an iodine compound, a hormone forming the active principle of the thyroid gland, also THYROXIN. |