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Definition of Motor


  1. One who, or that which, imparts motion; a source of mechanical power.
  2. A prime mover; a machine by means of which a source of power, as steam, moving water, electricity, etc., is made available for doing mechanical work.
  3. Alt. of Motorial
  4. A type of internal-combustion engine in which the air drawn in by the suction stroke is so highly compressed that the heat generated ignites the fuel (usually crude oil), the fuel being automatically sprayed into the cylinder under pressure. The Diesel engine has a very high thermal efficiency.
  5. A motor car; an automobile.

Motor Quotations

Stem cell research is the key to developing cures for degenerative conditions like Parkinson's and motor neuron disease from which I and many others suffer. The fact that the cells may come from embryos is not an objection, because the embryos are going to die anyway.
Stephen Hawking

The environmental effects of the automobile are well known: motor vehicles cause, for example, as much as 75 percent of the noise and 80 percent of the air pollution in our cities, and the industry must face mounting pressure from environmentalists.
Stewart Udall

When the machine had been fastened with a wire to the track, so that it could not start until released by the operator, and the motor had been run to make sure that it was in condition, we tossed a coin to decide who should have the first trial. Wilbur won.
Orville Wright

When walking, you see things that you miss in a motor car or on the train. You give your mind space to ponder.
Tom Hodgkinson

Patience is the ability to idle your motor when you feel like stripping your gears.
Barbara Johnson
More "Motor" Quotations

Motor Translations

motor in Dutch is motor
motor in Finnish is moottori
motor in French is moteur
motor in German is Motor
motor in Italian is motore
motor in Norwegian is motor
motor in Portuguese is motor
motor in Spanish is motor
motor in Swedish is motor
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