TWIST n.
ig. [Obs.] Chaucer. Fairfax. Gain twist, or Gaining twist (Firearms), twist of which the pitch is less, and the inclination greater, at the muzzle than at the breech. -- Twist drill, a drill the body of which is twisted like that of an auger. See Illust. of Drill. -- Uniform twist (Firearms), a twist of which the spi…
UNDERHAND a. 2 definitions
Done, as pitching, with the hand lower than the shoulder, or, as bowling, with the hand lower than elbow.
URANIUM n.
An element of the chromium group, found in certain rare minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard, nickel-white metal which is quite permanent. Its yellow oxide is used to impart to glass a delicate greenish-yellow tint which is accompanied by a strong fluorescence, and its black oxide is us…