| ENDOPHYLLOUS | • endophyllous adj. (Botany) Wrapped in a leaf or sheath. • ENDOPHYLLOUS adj. being or formed within a sheathing leaf; living inside a leaf. |
| HORRENDOUSLY | • horrendously adv. In a horrendous manner. • HORRENDOUS adv. fearful; frightful. |
| HYDROFLUORIC | • hydrofluoric adj. (Chemistry) Containing hydrogen and fluorine. • HYDROFLUORIC adj. as in hydrofluoric acid, a strong acid used for etching glass. |
| HYDROPHANOUS | • hydrophanous adj. (Mineralogy) Made transparent by immersion in water. • HYDROPHANOUS adj. becoming transparent when placed in water. |
| HYDROPHILOUS | • hydrophilous adj. (Biology) That grows or thrives in or near water. • hydrophilous adj. (Botany) That is pollinated by water. • HYDROPHILOUS adj. water-loving; pollinated by agency of water. |
| HYDROPHOBOUS | • hydrophobous adj. Hydrophobic. • HYDROPHOBOUS adj. (obsolete) water-repellent. |
| HYDROPHYTOUS | • hydrophytous adj. Relating to hydrophytes. • hydrophytous adj. Relating to hydrophytons. • HYDROPHYTOUS adj. like a hydrophyte, also HYDROPHYTIC. |
| HYDROQUINOLS | • HYDROQUINOL n. a white crystalline soluble phenol used as a photographic developer. |
| HYDROQUINONE | • hydroquinone n. (Organic chemistry) The diphenol para-dihydroxy benzene, used as a mild reducing agent in photographic… • HYDROQUINONE n. another name for quinol. |
| HYDROXONIUMS | • hydroxoniums n. Plural of hydroxonium. • HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water. |
| PODOPHYLLUMS | • podophyllums n. Plural of podophyllum. • PODOPHYLLUM n. the dried rootlet and rhizome of the mayapple, used as a caustic. |
| UNORTHODOXLY | • unorthodoxly adv. In an unorthodox manner, unconventionally. • UNORTHODOX adv. not orthodox. |
| UNROADWORTHY | • unroadworthy adj. Describing a vehicle which is not safe for use on the road. • UNROADWORTHY adj. not roadworthy. |