| CHLORHEXIDINES | • CHLORHEXIDINE n. an antiseptic compound used in skin cleansers, mouthwashes, etc. |
| HETERODUPLEXES | • heteroduplexes n. Plural of heteroduplex. • HETERODUPLEX n. a nucleic-acid molecule, such as DNA, composed of two chains with each derived from a different parent molecule. |
| HETEROSEXUALLY | • heterosexually adj. In a heterosexual way. • HETEROSEXUAL adv. attracted to the opposite sex. |
| HYDROPEROXIDES | • hydroperoxides n. Plural of hydroperoxide. • HYDROPEROXIDE n. a compound containing an O2H group. |
| HYDROXYLAMINES | • hydroxylamines n. Plural of hydroxylamine. • HYDROXYLAMINE n. a colorless odorless nitrogenous base that resembles ammonia in its reactions. |
| HYPEREXTENSION | • hyperextension n. The extension of a joint beyond its normal range; the condition of being hyperextended. • hyperextension n. An exercise performed by lying on the stomach, ideally inclined upwards as on a Roman chair to reach… • HYPEREXTENSION n. the extension of a joint beyond its normal range. |
| HYPERPROSEXIAS | • HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers. |
| LEXICOGRAPHERS | • lexicographers n. Plural of lexicographer. • LEXICOGRAPHER n. an author or editor of a dictionary. |
| LEXICOGRAPHIES | • lexicographies n. Plural of lexicography. • LEXICOGRAPHY n. the editing or making of a dictionary. |
| LEXICOGRAPHIST | • lexicographist n. (Chiefly archaic) A student specialising in the discipline of lexicography; lexicographer. • LEXICOGRAPHIST n. one who makes dictionaries. |
| MORPHOSYNTAXES | • morphosyntaxes n. Plural of morphosyntax. • MORPHOSYNTAX n. the study of the interaction of morphology and syntax. |
| NEOORTHODOXIES | • NEOORTHODOXY n. reactionaryism. |
| ORTHOPYROXENES | • orthopyroxenes n. Plural of orthopyroxene. • ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene. |
| PNEUMOTHORAXES | • pneumothoraxes n. Plural of pneumothorax. • PNEUMOTHORAX n. accumulation of air or gas in the pleural cavity. |
| THYROTOXICOSES | • thyrotoxicoses n. Plural of thyrotoxicosis. • THYROTOXICOSIS n. hyperthyroidism with goitre and exophthalmia, Graves' disease. |
| XANTHOPTERINES | • XANTHOPTERINE n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERIN. |
| XEROPHTHALMIAS | • xerophthalmias n. Plural of xerophthalmia. • XEROPHTHALMIA n. extreme dryness of the conjunctive, thought to stem from a vitamin A deficiency, also XEROMA. |