| HYDROTAXES | • HYDROTAXIS n. movement towards or away from water. |
| HEXAHYDRATES | • hexahydrates n. Plural of hexahydrate. • HEXAHYDRATE n. a chemical compound with six molecules of water. |
| HYDROXYLATES | • hydroxylates v. Third-person singular simple present indicative form of hydroxylate. • HYDROXYLATE v. to introduce hydroxyl into. |
| HYDROTHORAXES | • hydrothoraxes n. Plural of hydrothorax. • HYDROTHORAX n. water liquid in the pleural cavity. |
| HETEROSEXUALLY | • heterosexually adj. In a heterosexual way. • HETEROSEXUAL adv. attracted to the opposite sex. |
| HYPERCATALEXES | • HYPERCATALEXIS n. the state of being hypercatalectic. |
| HYPERCATALEXIS | • hypercatalexis n. (Poetry) The addition of one or two syllables to the last foot of a verse. • HYPERCATALEXIS n. the state of being hypercatalectic. |
| HYPERSEXUALITY | • hypersexuality n. The desire for sexual activity at levels high enough to be considered clinically significant. • HYPERSEXUALITY n. the state of being hypersexual. |
| MORPHOSYNTAXES | • morphosyntaxes n. Plural of morphosyntax. • MORPHOSYNTAX n. the study of the interaction of morphology and syntax. |
| ARCHAEOPTERYXES | • archaeopteryxes n. Plural of archaeopteryx. • ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits. |
| HETEROSEXUALITY | • heterosexuality n. The state of being sexually and romantically attracted primarily or exclusively to persons of the opposite sex. • heterosexuality n. Sexual activity with a person of the opposite sex. • HETEROSEXUALITY n. the state of being heterosexual. |
| HYDROEXTRACTORS | • hydroextractors n. Plural of hydroextractor. • HYDROEXTRACTOR n. a drying machine that works centrifugally. |
| HYDROXYAPATITES | • hydroxyapatites n. Plural of hydroxyapatite. • HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone. |
| METHOXYFLURANES | • methoxyfluranes n. Plural of methoxyflurane. • METHOXYFLURANE n. a potent general anaesthetic administered as a vapor. |