the emission of visible light by a body, caused by its high temperature. Compare luminescence.
the light produced by such an emission.
the quality of being incandescent.

1650–60; incandesc(ent) + -ence

nonincandescence, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
incandescence or incandescency (ˌɪnkænˈdɛsəns)
1.  Compare luminescence the emission of light by a body as a consequence of raising its temperature
2.  the light produced by raising the temperature of a body
incandescency or incandescency

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
incandescence   (ĭn'kən-děs'əns)  Pronunciation Key 
The emission of visible light from a substance or object as a result of heating it to a high temperature. The color of the light emitted from solids and liquids is a function of their chemical structure and their temperature; the higher the temperature, the more intense and even the distribution of frequencies is (that is, higher temperatures create brighter and whiter light than lower temperatures). Compare fluorescence. See also blackbody radiation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
But the flashy neon seems pale amid the deep incandescence of this red giant of a book.
The menace is there, an incandescence that could erupt at any moment into flames.
Lithium silicide attacks tellurium with incandescence.
The blue in the flame of a match or a candle is not a result of incandescence, but of luminescence.
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