accelerative

[ACCELERATE.] Ргоducing increased velocity, quickening motion. "If the force vary from instant to instant, its accelerative effect will also vary."- At kins on: Ganot's Physics (1868), p. 13. Accelerative force. [ACCELERATING.] [ACCELERATE.] That ăc-çel-er-at-or, s. which accelerates; a post-office van used to convey officials from place to place. 1. Anat .: A muscle, the contraction of which accelerates the expulsion of the urine. 2. Ord.: A cannon with several powder chambers, whose charges are exploded consecutively, in order to give a constantly increasing rate of progre ion to the projectile as it pa es along the bore.