| ARBOVIRUSES | • arboviruses n. Plural of arbovirus. • ARBOVIRUS n. any of a group of viruses spread by mosquitoes. |
| ASPERSORIUM | • aspersorium n. A basin that holds holy water with which worshippers sprinkle themselves. • aspersorium n. An aspergillum. • ASPERSORIUM n. a basin for holy water. |
| AUTHORISERS | • authorisers n. Plural of authoriser. • AUTHORISER n. one who authorises, also AUTHORIZER. |
| COURSEWARES | • coursewares n. Plural of courseware. • COURSEWARE n. computer software associated with educational courses. |
| HARBOURLESS | • harbourless adj. Without a harbour. • HARBOURLESS adj. without a harbour, also HARBORLESS. |
| NEUROSPORAS | • NEUROSPORA n. any of a genus of ascomycetous fungi, used extensively in genetic research. |
| PERISARCOUS | • PERISARCOUS adj. relating to the perisarc, the outer, hardened integument which covers most hydroids, also PERISARCAL. |
| RACECOURSES | • racecourses n. Plural of racecourse. • RACECOURSE n. a course for racing. |
| RAISONNEURS | • raisonneurs n. Plural of raisonneur. • RAISONNEUR n. (French) a person in a play or book embodying the author's viewpoint. |
| RETROUSSAGE | • retroussage n. A method of producing effective tones in the printing of etchings by skilful treatment of the ink in certain parts. • RETROUSSAGE n. (French) in etching, the action of drawing a fine cloth across an inked plate to draw out some ink and smear it irregularly across the plate. |
| ROTAVIRUSES | • rotaviruses n. Plural of rotavirus. • ROTAVIRUS n. a wheel-shaped virus causing gastroenteritis. |
| SARTORIUSES | • SARTORIUS n. (Latin) a flat thigh muscle. |
| SECUROCRATS | • securocrats n. Plural of securocrat. • SECUROCRAT n. an important personage in the security services. |
| SOUTERRAINS | • souterrains n. Plural of souterrain. • SOUTERRAIN n. (French) an underground chamber, room or dwelling, also SUBTERRAIN, SUBTERRANE, SUBTERRENE. |
| SUPERBOARDS | • superboards n. Plural of superboard. • SUPERBOARD n. a board above other boards. |
| SUPERCARGOS | • supercargos n. Plural of supercargo. • SUPERCARGO n. a ship's official in charge of business affairs. |
| SUPERORGASM | • superorgasm n. A remarkably exciting and pleasurable experience akin to orgasm. • SUPERORGASM n. an extreme orgasm. |
| SURROGACIES | • surrogacies n. Plural of surrogacy. • SURROGACY n. the state of being a surrogate. |
| WAREHOUSERS | • warehousers n. Plural of warehouser. • WAREHOUSER n. a warehouseman. |