from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several devices that absorb and accumulate solar radiation for use as a source of energy.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any system designed to capture of solar radiation for producing thermal energy, which may be used for space heating or for electricity generation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a concave mirror that concentrates the rays of the sun; can produce high temperatures
Sorry, no etymologies found.