| ANTHRAQUINONE | • anthraquinone n. (Organic chemistry) A tricyclic quinone, derived from anthracene. • anthraquinone n. (Organic chemistry) Any derivative of this parent compound, mostly natural pigments or synthetic dyes. • ANTHRAQUINONE n. a chemical used in the manufacture of some dyes. |
| CHANGEAROUNDS | • CHANGEAROUND n. the act of changing to a different position, also CHANGEROUND. |
| CINCHONACEOUS | • cinchonaceous adj. Allied or pertaining to cinchona, or to the plants that produce it. • CINCHONACEOUS adj. belonging to the Cinchona genus of trees, that yield quinine. |
| COUNTERCHANGE | • counterchange v. To give and receive; C; to exchange. • counterchange v. To checker; to diversify, as in heraldic counterchanging. • counterchange n. (Obsolete) An exchange of one thing for another. |
| FOUNTAINHEADS | • fountainheads n. Plural of fountainhead. • FOUNTAINHEAD n. a spring that is the source of a stream. |
| HALLUCINOGENS | • hallucinogens n. Plural of hallucinogen. • HALLUCINOGEN n. a substance that induces hallucinations, also HALLUCINOGENIC. |
| HOUSECLEANING | • housecleaning n. Collectively, the tasks involved with cleaning a house; the practice of cleaning a house. • housecleaning v. Present participle of houseclean. • HOUSECLEANING n. the act of cleaning house. |
| NEUROHORMONAL | • neurohormonal adj. Of or pertaining to a neurohormone. • NEUROHORMONAL adj. involving both neural and hormonal mechanisms. |
| NONHOMOSEXUAL | • nonhomosexual adj. Not homosexual. • nonhomosexual n. One who is not a homosexual. • NONHOMOSEXUAL n. one who is not homosexual. |
| OVERLAUNCHING | • overlaunching v. Present participle of overlaunch. • OVERLAUNCH v. in shipbuilding, to join by long splices or scarfs. |
| SULFONMETHANE | • sulfonmethane n. (Organic chemistry) A sedative drug with chemical formula C7H16O4S2; acetone diethyl sulfone. • SULFONMETHANE n. (US) a colourless crystalline compound used medicinally as a hypnotic, also SULPHONMETHANE. |
| UNCHLORINATED | • unchlorinated adj. Not chlorinated. • UNCHLORINATED adj. not chlorinated. |
| UNFASHIONABLE | • unfashionable adj. Not fashionable. • unfashionable adj. (Obsolete) That cannot be fashioned; unshapely, distorted. • UNFASHIONABLE adj. not in keeping with the current fashion. |
| UNREPROACHING | • unreproaching adj. That does not reproach. • UNREPROACHING adj. not reproaching. |