| BRACHYPTEROUS | • brachypterous adj. (Zoology) Having short, possibly non-functional wings. • BRACHYPTEROUS adj. having short wings. |
| 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. |
| 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. |
| HYPERACUITIES | • hyperacuities n. Plural of hyperacuity. • HYPERACUITY n. the state of being hyperacute. |
| HYPERAROUSALS | • hyperarousals n. Plural of hyperarousal. • HYPERAROUSAL n. a state of extreme arousal. |
| HYPERCAUTIOUS | • hypercautious adj. Especially or unreasonably cautious. • HYPERCAUTIOUS adj. excessively cautious. |
| HYPERSURFACES | • hypersurfaces n. Plural of hypersurface. • HYPERSURFACE n. a figure that is the analogue in hyperspace of a surface in three-dimensional space. |
| HYPERURBANISM | • hyperurbanism n. (Linguistics) the creation of a non-standard form by mimicking the standard dialect. • HYPERURBANISM n. use of hypercorrect forms in language. |
| MUSICOTHERAPY | • musicotherapy n. Music therapy; the use of music to improve health. • MUSICOTHERAPY n. therapy involving the use of music. |
| POLYURETHANES | • polyurethanes n. Plural of polyurethane. • POLYURETHANE n. any of various polymers used esp. in flexible and rigid foams, elastomers, and resins, also POLYURETHAN. |
| PYROSULPHATES | • pyrosulphates n. Plural of pyrosulphate. • PYROSULPHATE n. a salt of sulphur. |
| SULPHONYLUREA | • sulphonylurea n. Alternative spelling of sulfonylurea. • SULPHONYLUREA n. a synthetic compound used to reduce the level of glucose in the blood in diabetes mellitus. |
| SUPERHIGHWAYS | • superhighways n. Plural of superhighway. • SUPERHIGHWAY n. a multilane highway (as an expressway or turnpike) designed for high-speed traffic. |
| SUPERHUMANITY | • superhumanity n. The state or condition of being superhuman. • SUPERHUMANITY n. the state of being superhuman. |
| SUPERPHYSICAL | • superphysical adj. Above or beyond physics; not explainable by physical laws. • SUPERPHYSICAL adj. being above or beyond the physical world or explanation on physical principles. |