Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- the original force in a series of transmissions of force
- any initiating or principal force
- any natural force applied by people to produce power, as muscular energy or flowing water
- a machine, as a turbine, that converts a natural force into productive power
- in the Aristotelian philosophical tradition, the first cause of all movement, itself unmoved
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- a. One regarded as the initial source of energy directed toward a goal: Patriotism was the prime mover of the revolution.b. The initial force, such as electricity, wind, or gravity, that engages or moves a machine.c. A machine or mechanism that converts natural energy into work. Also called primum mobile.
- Any of various heavy-duty trucks or tractors.
- Philosophy In Aristotelian philosophy, the self-moved being that causes all motion.
prime mover - Phrases/Idioms
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The initial source of energy directed toward a goal, someone or something that sets others in motion. For example, Jean was the prime mover in getting us more laboratory space, or Patriotism was the prime mover of the revolution. [Late 1600s]