electric motor

noun
motor ( def 4 ).
Origin:
1885–90

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
electric motor
 
—n
a device that converts electrical energy to mechanical torque

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Electric motor is always a great word to know.
So is ninnyhammer. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a fool or simpleton; ninny.
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
Encyclopedia Britannica
Encyclopedia

electric motor

any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena.

Learn more about electric motor with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Its quiet electric motor means it can get near to targets without their ever
  being aware of its presence.
The batteries provide electricity to the electric motor where it is converted
  to mechanical energy to power the vehicle.
The hydrogen feeds a fuel cell, generates electricity, then powers an electric
  motor.
For heavy acceleration and high speed, these vehicles rely on power from both
  an internal combustion engine and an electric motor.
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