| ANTIQUARKS | • antiquarks n. Plural of antiquark. • ANTIQUARK n. the antimatter equivalent of a quark. |
| AQUAMARINE | • aquamarine n. The bluish-green colour of the sea. • aquamarine n. A bluish-green variety of beryl. • aquamarine adj. Of a bluish-green colour. |
| AQUAPORINS | • aquaporins n. Plural of aquaporin. • AQUAPORIN n. any of a group of proteins in a cell membrane that allow the passage of water across the membrane. |
| AQUATINTER | • aquatinter n. An artist who makes aquatints. • AQUATINTER n. one who works with aquatints. |
| QUADRATING | • quadrating v. Present participle of quadrate. • QUADRATE v. to conform or agree. |
| QUADRENNIA | • quadrennia n. Plural of quadrennium. • QUADRENNIUM n. (Latin) a period of four years, also QUADRIENNIUM. |
| QUANDARIES | • quandaries n. Plural of quandary. • QUANDARY n. a state of perplexity. |
| QUARANTINE | • quarantine n. A period of 40 days, particularly. • quarantine n. A period, instance, or state of isolation from the general public or from native livestock and flora… • quarantine n. (Figurative) A similar period, instance, or state of rigidly enforced or self-enforced detention or isolation. |
| QUARTATION | • quartation n. (Chemistry, archaic) The act, process, or result (in the process of parting) of alloying a button of… • QUARTATION n. mixing one part gold with three parts silver prior to purifying it. |
| QUATORZAIN | • quatorzain n. A poem or stanza consisting of fourteen lines. • QUATORZAIN n. a poem of fourteen lines; a sonnet. |
| RAINSQUALL | • rainsquall n. A rainstorm. • RAINSQUALL n. a squall of rain. |
| REACQUAINT | • reacquaint v. To acquaint again; to reintroduce or refamiliarise. • REACQUAINT v. to acquaint again. |
| SAQUINAVIR | • saquinavir n. (Pharmacology) An antiretroviral drug C38H50N6O5 of the protease inhibitor class that is used in the… |
| UBIQUARIAN | • ubiquarian adj. (Archaic) Ubiquitous. • ubiquarian adj. Alternative form of ubiquitarian. • ubiquarian n. Obsolete form of ubiquitarian. |