solar energy
n
(General Physics) energy obtained from solar power
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
solar energy
1. The energy produced or radiated by the sun.
2. Energy derived from the sun's radiation. Solar energy is used on Earth in various ways. It is used as a passive source of energy, for example, in the form of sunlight that comes through a window and heats up a room, or as an active source, as in the conversion of sunlight to electrical energy in solar cells.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. |  solar energy - energy from the sun that is converted into thermal or electrical energy; "the amount of energy falling on the earth is given by the solar constant, but very little use has been made of solar energy"alternative energy - energy derived from sources that do not use up natural resources or harm the environment |
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