the initial agent, as wind or electricity, that puts a machine in motion.
a machine, as a water wheel or steam engine, that receives and modifies energy as supplied by some natural source.
2.
means of towing a cannon, as an animal, truck, or tractor.
3.
Also called unmoved mover. Aristotelianism. that which is the first cause of all movement and does not itself move.
4.
a person or thing that initiates or gives power and cohesion to something, as an idea, endeavor, or organization.
Origin
1935-40
Examples from the web for prime mover
The prime mover is the main power source providing energy to drive the compressor.
Renewable power grown in step with added railway prime mover consumption.
When companies pursue joint ventures, one is often the prime mover.
The type of fuel used depends on availability and the type of prime mover employed.
Approved flexible fuel lines shall be used between the prime mover and the fuel piping.
British Dictionary definitions for prime mover
prime mover
noun
1.
the original or primary force behind an idea, enterprise, etc
2.
the source of power, such as fuel, wind, electricity, etc, for a machine
the means of extracting power from such a source, such as a steam engine, electric motor, etc
3.
(in the philosophy of Aristotle) that which is the cause of all movement
Prime Mover
noun
1.
(philosophy) the Prime Mover, God, esp when considered as a first cause
Idioms and Phrases with prime mover
prime mover
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 ]