| EXOTHERMICALLY | • exothermically adv. In an exothermic manner. • EXOTHERMIC adv. of a chemical reaction, giving out heat, also EXOTHERMAL. |
| HETEROSEXUALLY | • heterosexually adj. In a heterosexual way. • HETEROSEXUAL adv. attracted to the opposite sex. |
| HYDROEXTRACTOR | • hydroextractor n. A machine that uses a rotating drum to remove excess water from textiles. • HYDROEXTRACTOR n. a drying machine that works centrifugally. |
| HYDROXYAPATITE | • hydroxyapatite n. A basic calcium phosphate mineral that is the principal inorganic constituent of bone and teeth. • HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone. |
| HYDROXYLATIONS | • hydroxylations n. Plural of hydroxylation. • HYDROXYLATION n. the act of hydroxylating. |
| LEXICOGRAPHIST | • lexicographist n. (Chiefly archaic) A student specialising in the discipline of lexicography; lexicographer. • LEXICOGRAPHIST n. one who makes dictionaries. |
| METHOXYFLURANE | • methoxyflurane n. (Pharmaceutical drugs) An inhalational anaesthetic of the 1960s and early 1970s, now largely abandoned… • METHOXYFLURANE n. a potent general anaesthetic administered as a vapor. |
| MORPHOSYNTAXES | • morphosyntaxes n. Plural of morphosyntax. • MORPHOSYNTAX n. the study of the interaction of morphology and syntax. |
| PNEUMOTHORAXES | • pneumothoraxes n. Plural of pneumothorax. • PNEUMOTHORAX n. accumulation of air or gas in the pleural cavity. |
| XANTHOCHROISMS | • XANTHOCHROISM n. a condition in which all skin pigments except yellow disappear. |
| XANTHOCHROMIAS | • XANTHOCHROMIA n. any yellowish discoloration, esp. of the cerebrospinal fluid. |
| 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. |
| XEROPHYTICALLY | • xerophytically adv. As a xerophyte. • XEROPHYTIC adv. able to withstand drought. |
| XYLOTYPOGRAPHY | • xylotypography n. Printing using the medium of wooden blocks. • XYLOTYPOGRAPHY n. printing from wooden type. |