| ETHERIFYING | • etherifying v. Present participle of etherify. • ETHERIFY v. to convert into ether. |
| GAYFEATHERS | • gayfeathers n. Plural of gayfeather. |
| GRAYWETHERS | • graywethers n. Plural of graywether. • GRAYWETHER n. a sandstone boulder of South England, also GREYWETHER. |
| GREYWETHERS | • greywethers n. Plural of greywether. • GREYWETHER n. a sandstone boulder of South England, also GRAYWETHER. |
| HERESIOLOGY | • heresiology n. The study of heresy. • HERESIOLOGY n. the study of heresies. |
| HERPETOLOGY | • herpetology n. The branch of biology dealing with reptiles (Reptilia) and amphibians. • HERPETOLOGY n. the study of reptiles and amphibians. |
| HYDROGENASE | • hydrogenase n. (Biochemistry) Any enzyme that catalyzes the reduction of a substrate by the reversible oxidation of hydrogen. • HYDROGENASE n. an enzyme that catalyzes hydrogen formation in certain microorganisms. |
| HYDROGENATE | • hydrogenate v. (Chemistry, transitive) to treat something, or react something, with hydrogen; especially to react an… • HYDROGENATE v. to combine or treat with hydrogen. |
| HYDROGENISE | • hydrogenise v. (Transitive, British spelling, dated) Alternative spelling of hydrogenize. • HYDROGENISE v. to hydrogenate, also HYDROGENIZE. |
| HYDROGENIZE | • hydrogenize v. (Transitive, chemistry, dated) to hydrogenate. • HYDROGENIZE v. to hydrogenate, also HYDROGENISE. |
| HYGROMETERS | • hygrometers n. Plural of hygrometer. • HYGROMETER n. an instrument for measuring air moisture. |
| HYPERCHARGE | • hypercharge n. (Physics) Short for hyperonic charge: a quantum characteristic of a group of subatomic particles governed… • HYPERCHARGE v. to charge excessively, to overload. |
| HYPERGAMIES | • hypergamies n. Plural of hypergamy. • HYPERGAMY n. the marriage of a man to a woman of lower status. |
| HYSTEROGENY | • HYSTEROGENY n. the generation of hysteria. |
| WHIGMALEERY | • WHIGMALEERY n. (Scots) a trinket or knickknack; a fantastic ornamentation; a whim, also WHIGMALEERIE. |
| YESTERNIGHT | • yesternight adv. (Archaic) Last night. • yesternight n. (Archaic) A preceding night. • YESTERNIGHT n. (dialect) last night. |