| ALCHYMY | • alchymy n. Alternative spelling of alchemy. • ALCHYMY n. the infant stage of chemistry, also ALCHEMY. |
| APHYLLY | • APHYLLY n. absence of leaves. |
| ASPHYXY | • asphyxy n. (Medicine, obsolete) asphyxiation, typically resulting in death; asphyxia. • asphyxy v. Rare form of asphyxiate. • ASPHYXY v. to suffer defective aeration of the blood caused by failure of the oxygen supply, also ASPHYXIA. |
| CHYLIFY | • chylify v. (Biochemistry, transitive) To make chyle of. • chylify v. (Biochemistry, intransitive) To be converted into chyle. • CHYLIFY v. to produce chyle. |
| CHYMIFY | • chymify v. (Physiology) To form into chyme. • CHYMIFY v. to form into chyme. |
| DYARCHY | • dyarchy n. Alternative form of diarchy. • DYARCHY n. government by two powers, also DIARCHY, DINARCHY, DUARCHY. |
| ETHYNYL | • ethynyl n. (Organic chemistry) The univalent radical HC≡C- derived from acetylene. • ETHYNYL n. a univalent chemical radical, also ETHINYL. |
| HEYDAYS | • heydays n. Plural of heyday. • HEYDAY n. the period of one's greatest success, also HEYDEY. |
| HEYDEYS | • heydeys n. Plural of heydey. • HEYDEY n. the period of one's greatest success, also HEYDAY. |
| HOLYDAY | • holyday n. Obsolete form of holiday. • holy␣day n. (Religion) a religious festival. • HOLYDAY n. a religious holiday. |
| HRYVNYA | • hryvnya n. Alternative form of hryvnia. • HRYVNYA n. a monetary unit of Ukraine, also HRYVNA, HRYVNIA. |
| HYDROXY | • hydroxy adj. (Chemistry) Being, or containing a hydroxyl radical. • hydroxy n. (Informal, pharmacology) Clipping of hydroxychloroquine. • hydroxy- pref. (Chemistry) having, or derived from, a hydroxyl radical. |
| HYDYNES | • HYDYNE n. a rocket-launching fuel. |
| HYMNARY | • hymnary n. A book of hymns. • HYMNARY n. a hymn book, also HYMNAL, HYMNBOOK. |
| HYMNODY | • hymnody n. (Uncountable) The writing, composing, or singing of hymns or psalms. • hymnody n. (Countable) The hymns of a particular church or of a particular time. • HYMNODY n. the singing of hymns. |
| HYPONYM | • hyponym n. (Semantics) A more specific term; a subordinate grouping word or phrase; a term designating a subclass… • HYPONYM n. one of several terms subsumed under another. |
| NYMPHLY | • nymphly adj. (Rare) Befitting a nymph. • NYMPHLY adj. resembling, or characteristic of, a nymph. |
| YOUTHLY | • youthly adj. (Archaic) Youthful. • YOUTHLY adj. (Spenser) youthful, also YOUNGTHLY, YOUTHSOME, YOUTHY. |