| BUTYRALDEHYDE | • butyraldehyde n. (Organic chemistry) The aliphatic aldehyde CH3-CH2-CH2-CHO derived from butane. • BUTYRALDEHYDE n. either of two aldehydes used esp. in making synthetic resins. |
| DISHONOURABLY | • dishonourably adv. (Britain) Alternative spelling of dishonorably. • DISHONOURABLE adv. not honourable, also DISHONORABLE. |
| HYALURONIDASE | • hyaluronidase n. (Biochemistry) Any enzyme that catalyses the hydrolysis of hyaluronic acid. • HYALURONIDASE n. a mucolytic enzyme that facilitates the spread of fluids through tissues by lowering the viscosity of hyaluronic acid. |
| HYDRAULICALLY | • hydraulically adv. Using hydraulics. • HYDRAULIC adv. relating to water. |
| HYDRAULICKING | • hydraulicking n. Hydraulic mining (mining using pressurized water jets to dislodge rock or move sediment). • hydraulicking v. Present participle of hydraulic. • HYDRAULICKING n. the act of excavating with powerful jets of water. |
| HYDROCEPHALUS | • hydrocephalus n. (Medicine) A usually congenital condition in which an abnormal accumulation of fluid in the cerebral… • HYDROCEPHALUS n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALY. |
| HYDROMEDUSANS | • HYDROMEDUSAN n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSOID. |
| HYDROMEDUSOID | • HYDROMEDUSOID n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSAN. |
| HYDROQUINONES | • hydroquinones n. Plural of hydroquinone. • HYDROQUINONE n. another name for quinol. |
| HYDROSOMATOUS | • HYDROSOMATOUS adj. of or like hydrosomata. |
| HYDROSULPHATE | • hydrosulphate n. Alternative form of hydrosulfate. • HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate. |
| HYDROSULPHIDE | • hydrosulphide n. (Britain) Alternative spelling of hydrosulfide. • HYDROSULPHIDE n. a compound formed by action of hydrogen sulphide on a hydroxide. |
| HYDROSULPHITE | • hydrosulphite n. Alternative spelling of hydrosulfite. • HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent. |
| HYPERPRODUCER | • hyperproducer n. That which hyperproduces. • HYPERPRODUCER n. an agent causing hyperproduction. |
| HYPOCHONDRIUM | • hypochondrium n. (Anatomy) The upper region of the abdomen, below the lower ribs, each side of the epigastrium. • HYPOCHONDRIUM n. either of two regions of the upper part of the abdomen. |
| RADICULOPATHY | • radiculopathy n. (Pathology) Any disease of the spinal nerve roots and spinal nerves. |
| UNDERHANDEDLY | • underhandedly adv. In an underhanded manner. • under-handedly adv. Alternative form of underhandedly. • UNDERHANDED adv. devious. |
| UNTHRIFTYHEAD | • UNTHRIFTYHEAD n. (Spenser) unthriftiness, also UNTHRIFTYHED. |
| UNTHRIFTYHEDS | • UNTHRIFTYHED n. (Spenser) unthriftiness, also UNTHRIFTYHEAD. |