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| prime mov·er (plural prime mov·ers) |
noun |
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| Definition: |
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1. most important cause of something: somebody or something that initiates a process or activity and is usually the most important factor in its continuation
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2. philosophy source of all motion: in Aristotelian philosophy, the initial source of all movement
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3. natural or physical energy source: a natural or physical source of energy such as wind or electricity that can be harnessed to power a machine
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4. energy converter: a machine that converts energy from a natural or physical source in order to power equipment such as a windmill or turbine
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5. powerful vehicle: a sturdy, powerful truck or tractor
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