Elect., Railroads.
an electric motor in which a movable part moves in a straight line, with power being supplied by a varying magnetic field set up by a fixed part of the system, as a metal rail on the ground.
Also, linear-induction motor. Also called linear motor. Cf. induction motor.
[1965-70]
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linear induction motor,
an electric motor that produces thrust directly by means of the linear impelling force of the magnetic field rather than by the rotating force or torque: ยป
A linear induction motor is like a regular rotary motor that has been sliced open and laid out flat (Lowell K. Bridwell).
Useful english dictionary. 2012.