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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A parabolic reflector that focuses solar radiation at a point to obtain temperatures as high as 4,000°C (7,200°F).

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


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