TUBE n.
iphons of a bivalve mollusk. Capillary tube, a tube of very fine bore. See Capillary. -- Fire tube (Steam Boilers), a tube which forms a flue. -- Tube coral. (Zoöl.) Same as Tubipore. -- Tube foot (Zoöl.), one of the ambulacral suckers of an echinoderm. -- Tube plate, or Tube sheet (Steam Boilers), a flue plate. Se…
TWIST n.
A twig. [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…
UNDER prep.
ing both means of propulsion. (b) (Mil.) Provided with, or sheltered in, tents. -- Under fire, exposed to an enemy's fire; taking part in a battle or general engagement. -- Under foot. See under Foot, n. -- Under ground, below the surface of the ground. -- Under one's signature, with one's signature or name subscri…