| DEMETHYLATES | • demethylates v. Third-person singular simple present indicative form of demethylate. |
| HETEROCYCLES | • heterocycles n. Plural of heterocycle. • HETEROCYCLE n. a ring composed of atoms of more than one kind. |
| HETEROSTYLED | • heterostyled adj. (Botany) Having styles of two or more distinct forms or lengths. • HETEROSTYLED adj. having styles of different length in different flowers, also HETEROSTYLOUS. |
| HYPEREXTENDS | • hyperextends v. Third-person singular simple present indicative form of hyperextend. • HYPEREXTEND v. to extend so that the angle between bones of a joint is greater than normal. |
| HYPERINTENSE | • hyperintense adj. (Especially of an image) More than usually intense. • HYPERINTENSE adj. excessively intense. |
| HYPERSTHENES | • hypersthenes n. Plural of hypersthene. • HYPERSTHENE n. a rock-forming orthorhombic silicate of magnesium and ferrous iron. |
| HYPERTENSIVE | • hypertensive adj. Of, pertaining to, or causing hypertension. • hypertensive n. A person with hypertension. • hypertensive n. A drug or substance that increases blood pressure. |
| METALDEHYDES | • METALDEHYDE n. a polymer of acetaldehyde. |
| METHYSERGIDE | • methysergide n. (Pharmacology) A prescription drug used for prophylaxis of migraine headaches. • METHYSERGIDE n. a serotonin used in the treatment and prevention of migraine headaches. |
| MYTHOGENESES | • MYTHOGENESIS n. the origin of myths. |
| PHYTOGENESES | • phytogeneses n. Plural of phytogenesis. • PHYTOGENESIS n. the origin and development of plants. |
| RESYNTHESISE | • resynthesise v. Alternative form of resynthesize. • RESYNTHESISE v. to synthesise again, also RESYNTHESIZE. |
| RESYNTHESIZE | • resynthesize v. To synthesize again or anew. • RESYNTHESIZE v. to synthesize again, also RESYNTHESISE. |
| SYNAESTHESES | • SYNAESTHESIS n. harmony of differing impulses from a work of art. |