| ACQUIRABLE | • acquirable adj. Capable of being acquired. • ACQUIRABLE adj. able to be acquired. |
| AQUAPLANER | • aquaplaner n. One who aquaplanes. • AQUAPLANER n. one who aquaplanes. |
| AQUARELLES | • aquarelles n. Plural of aquarelle. • AQUARELLE n. (French) a method of painting in transparent watercolour; such a painting. |
| EQUATORIAL | • equatorial adj. Of, near, or relating to the equator. • equatorial adj. (Organic chemistry) perpendicular to the plane of a ring. • equatorial n. (Astronomy) A kind of telescope mounted so as to have two axes of motion at right angles to each other… |
| QUADRANGLE | • quadrangle n. (Geometry) A geometric shape with four angles and four straight sides; a four-sided polygon. • quadrangle n. A courtyard which is quadrangular. • quadrangle n. The buildings forming the border of such a courtyard. |
| QUADRANTAL | • quadrantal n. An ancient Roman unit of measure for liquids. • quadrantal n. Cube. • quadrantal adj. (Geometry) Of or relating to a quadrant, or included in the fourth part of a circle. |
| QUADRELLAS | • quadrellas n. Plural of quadrella. • QUADRELLA n. (Australian) a group of four horse races at a meeting for which the punter has to select the four winners. |
| QUADRIVIAL | • quadrivial n. Any of the four "liberal arts" making up the quadrivium. • quadrivial adj. Having four ways meeting in a point. • QUADRIVIAL adj. leading in four directions; concerning a four-way junction. |
| QUARRIABLE | • quarriable adj. Capable of being quarried. • QUARRIABLE adj. that can be quarried. |
| RAINSQUALL | • rainsquall n. A rainstorm. • RAINSQUALL n. a squall of rain. |
| SQUADRONAL | • SQUADRONAL adj. relating to a squadron. |