(finance) Initialism of special drawing right. / (computing, electronics) Initialism of single data rate. / (mathematics) Initialism of system of distinct representatives.

A slight convexity, arching or curvature of a surface of a road, beam, roof, ship's deck etc., so that liquids will flow off the sides.

(sports) A player who applies topspin to the ball. / (sports) A ball to which topspin is applied.

plural of gyrocentroid