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incandescence

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incandescence

Emission of light from a substance in consequence of its high temperature. The colour of the emitted light from liquids or solids depends on their temperature, and for solids generally the higher the temperature the whiter the light. Gases may become incandescent through ionizing radiation, as in the glowing vacuum discharge tube.

The oxides of cerium and thorium are highly incandescent and for this reason are used in gas mantles. The light from an electric filament lamp is due to the incandescence of the filament, rendered white-hot when a current passes through it.



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? Mentioned in ? References in classic literature
 
Flames require the oxygen of the air to feed upon and cannot be developed under water; but streams of lava, having in themselves the principles of their incandescence, can attain a white heat, fight vigorously against the liquid element, and turn it to vapour by contact.
20,000 Leagues Under The Sea by Verne, Jules View in context
It was a reddish incandescence which increased by degrees, a decided proof that the projectile was shifting toward it and not falling normally on the surface of the moon.
Round The Moon by Verne, Jules View in context
The incandescence, so to call it, was on the left side.
An Old Maid by de Balzac, Honore View in context
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