- 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
See prime mover in American Heritage Dictionary 4
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.
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