limelight(redirected from calcium light)
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limelight:see calcium oxidecalcium oxide,
chemical compound, CaO, a colorless, cubic crystalline or white amorphous substance. It is also called lime, quicklime, or caustic lime, but commercial lime often contains impurities, e.g., silica, iron, alumina, and magnesia.
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A light source once used in spotlights; it consisted of a block of lime heated to incandescence by means of an oxyhydrogen flame torch.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
a. a type of lamp, formerly used in stage lighting, in which light is produced by heating lime to white heat
b. brilliant white light produced in this way
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005