| 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. |
| HYPERACUITIES | • hyperacuities n. Plural of hyperacuity. • HYPERACUITY n. the state of being hyperacute. |
| HYPERCAUTIOUS | • hypercautious adj. Especially or unreasonably cautious. • HYPERCAUTIOUS adj. excessively cautious. |
| HYPERIMMUNISE | • hyperimmunise v. Alternative form of hyperimmunize. • HYPERIMMUNISE v. to induce a high level of immunity or of circulating antibodies in, as by a long course of injections of antigen, also HYPERIMMUNIZE. |
| HYPERURBANISM | • hyperurbanism n. (Linguistics) the creation of a non-standard form by mimicking the standard dialect. • HYPERURBANISM n. use of hypercorrect forms in language. |
| HYPOSULPHITES | • hyposulphites n. Plural of hyposulphite. • HYPOSULPHITE n. a salt of hyposulphurous acid. |
| ITHYPHALLUSES | • ITHYPHALLUS n. an erect phallus. |
| MUSICOTHERAPY | • musicotherapy n. Music therapy; the use of music to improve health. • MUSICOTHERAPY n. therapy involving the use of music. |
| NEUROSYPHILIS | • neurosyphilis n. (Pathology) A syphilis infection affecting the nervous system. • NEUROSYPHILIS n. a syphilitic infection affecting the central nervous system. |
| PHYSIOLOGUSES | • PHYSIOLOGUS n. a work containing descriptions of animals; a bestiary. |
| POLYSULPHIDES | • polysulphides n. Plural of polysulphide. • POLYSULPHIDE n. a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULFIDE. |
| SCEUOPHYLACIA | • SCEUOPHYLACIUM n. a sacristy. |
| 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. |
| SURVEYORSHIPS | • surveyorships n. Plural of surveyorship. • SURVEYORSHIP n. the office of surveyor. |
| UNSYMPATHETIC | • unsympathetic adj. Not sympathetic. • UNSYMPATHETIC adj. not sympathetic. |
| UPRIGHTEOUSLY | • uprighteously adv. In an uprighteous or just manner. • UPRIGHTEOUSLY adv. (Shakespeare) with moral right. |