renewable-energy

renewable energy

noun
any naturally occurring, theoretically inexhaustible source of energy, as biomass, solar, wind, tidal, wave, and hydroelectric power, that is not derived from fossil or nuclear fuel.
Also called soft energy.


Origin:
1970–75

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
renewable energy
 
n
another name for alternative energy

Collins English Dictionary - Complete & Unabridged 10th Edition
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