renewable energy

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.

1970–75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To renewable energy
World English Dictionary
renewable energy
another name for alternative energy

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source's 21st Century Lexicon
Main Entry:  renewable energy
Part of Speech:  n
Definition:  See alternate energy
Main Entry:  renewable energy
Part of Speech:  n
Definition:  See renewable resource's 21st Century Lexicon
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Example sentences
Following the collapse of the ballyhooed solar firm, these are dark times for
  renewable energy.
Renewable energy sources, such as solar and wind, generate power without
  depleting natural resources in the process.
Scientists say they have produced clean, renewable energy from the contents of
  a cow's stomach.
Waterpower remains the nation's largest source of clean, domestically produced,
  renewable energy.
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