plural of driving axle

plural of driving motor

plural of drive-off

plural of drive-volley

plural of drive-in movie

(astronautics, science fiction) A theoretical means to propel spacecraft through space, by detonating nuclear bombs behind the spaceship and riding the nuclear explosions that push against the rear mounted pusher plate.

evolutionary processes that change the genetic composition of a population through DNA turnover mechanisms, operating independently of natural selection and genetic drift.

Impetus; a person or thing that causes, stimulates, or motivates something to happen. / The force that causes something to move or a physical process to occur.

plural of driving force

(railways) A control car; a non-engine rail car from which the train may be driven.