| ACYL | • acyl n. (Organic chemistry) Any of class of organic radicals, RCO-, formed by the removal of a hydroxyl group… • ACYL n. an organometallic compound. |
| AMYL | • amyl n. (Dated, organic chemistry) Synonym of pentyl. • amyl n. (Informal) amyl nitrite. • amyl adj. Of or pertaining to starch. |
| ARYL | • aryl n. (Organic chemistry) Any univalent organic radical derived from an aromatic hydrocarbon by removing a hydrogen atom. • ARYL n. any aromatic univalent hydrocarbon radical. |
| FYLE | • fyle v. (Scotland, transitive) Alternative form of file. • Fyle prop.n. A surname. • FYLE n. (Spenser) a line (file) of soldiers. |
| HWYL | • hwyl n. A melodic chanting style of Welsh preaching. • HWYL n. (Welsh) divine inspiration in oratory. |
| HYLA | • hyla n. A tree frog of the genus Hyla. • hyla n. Obsolete spelling of hyle. • Hyla prop.n. A taxonomic genus within the family Hylidae – some tree frogs. |
| HYLE | • hyle n. (Obsolete, philosophy) matter. • hyle n. The first matter of the cosmos, from which the four elements arose, according to the doctrines of Empedocles… • HYLE n. (Greek) wood; matter. |
| IDYL | • idyl n. Alternative spelling of idyll. • IDYL n. a description in verse of country life, also IDYLL. |
| KYLE | • kyle n. (Scotland) A narrow arm or channel of the sea between an island and the mainland, or between two islands. • Kyle prop.n. (Countable) A habitational surname from Scottish Gaelic. • Kyle prop.n. (Countable) A unisex given name. |
| MOYL | • MOYL n. (obsolete) a mule, also MOIL, MOYLE, MULE. |
| ODYL | • odyl n. (Archaic) od (hypothetical force). • ODYL n. a mystical pervasive force, also OD, ODYLE. |
| SYLI | • syli n. The currency of Guinea between 1971 and 1985, subdivided into 100 cauris. • SYLI n. a former monetary unit of Guinea. |
| WYLE | • WYLE v. to beguile, also WILE. |
| YLEM | • ylem n. (Astronomy, cosmology, physics, now chiefly historical) In the Big Bang theory, the hot and dense plasma… • YLEM n. a form of matter hypothesized by proponents of the big bang theory to have existed before the formation of the chemical elements. |
| YLKE | • YLKE n. (obsolete) ilk. |