plural of lofted drive

plural of off drive

plural of screw drive

(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.

Of a motor vehicle: equipped with sensors and computer technology to allow it to drive without a human operator.

(computing) An alphabetical identifier assigned to a drive or volume on MS-DOS or Windows.