alternative energy

energy, as solar, wind, or nuclear energy, that can replace or supplement traditional fossil-fuel sources, as coal, oil, and natural gas.

1970–75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To alternative energy
World English Dictionary
alternative energy
Also called: renewable energy a form of energy derived from a natural source, such as the sun, wind, tides, or waves

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
Encyclopedia Britannica

alternative energy

usable energy derived from replenishable sources such as the Sun (solar energy), wind (wind power), rivers (hydroelectric power), hot springs (geothermal energy), tides (tidal power), and biomass (biofuels).

Learn more about alternative energy with a free trial on

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source
Example sentences
If solar follows this path, it could be bad for the entire alternative energy
Alternative energy is also catching on in parts of the developing world where
  it's a necessity, not a choice.
Companies might spend money on alternative energy sources.
Alternative energy projects make make money at the high price, will not repay
  their investment at the low price.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature