prime mover

1. 1. One regarded as the initial source of energy directed toward a goal: Patriotism was the prime mover of the revolution.
   2. The initial force, such as electricity, wind, or gravity, that engages or moves a machine.
   3. A machine or mechanism that converts natural energy into work. Also called primum mobile.
2. Any of various heavy-duty trucks or tractors.
3. Philosophy. In Aristotelian philosophy, the self-moved being that causes all motion.

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]

1. Any machine that converts fuel (e.g., diesel oil, gasoline, or natural gas) or steam into mechanical energy.
2. A powerful truck, tractor, or the like.

A truck.

(DOD) A vehicle, including heavy construction equipment, possessing military characteristics, designed primarily for towing heavy, wheeled weapons and frequently providing facilities for the transportation of the crew of, and ammunition for, the weapon.

Look up prime mover in Wiktionary, the free dictionary.

Prime mover may mean:

• A machine that transforms energy from thermal or pressure form to mechanical form; typically an engine or turbine.

In philosophy and theology:

• Prime Mover in the cosmological argument, as a "first cause" of existence

In railways:

• Prime mover (locomotive), a component of a locomotive

In haulage:

• Prime mover (tractor unit), a structure that provides the motive power to haul a load, as in:
  • A Semi-trailer truck in Australian English
  • A Ballast tractor
  • A military vehicle hauling an artillery piece

In Muscles

• a muscle that acts directly to produce a desired movement amid other muscles acting simultaneously to produce the same movement indirectly. Most movements of the body require the combined action of numerous muscles

In entertainment:

• An episode of The Twilight Zone, The Prime Mover
• Prime Mover, the 1987 hit single from Zodiac Mindwarp
• Prime Mover, the title of a song on Rush's 1987 album Hold Your Fire.
• Prime Mover (videogame), a videogame published by Psygnosis in 1993
• The Prime Movers, a quasi-omniscient race of alien superbeings in the Buck Godot comic series by Phil Foglio.

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