LUMINESCENCE • DICCIONARIO INGLES.COM • Definition of Luminescence

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noun

Luminescence n.

(Physics) Any emission of light not ascribable directly to incandescence, and therefore occurring at low temperatures, as in phosphorescence and fluorescence or other luminous radiation resulting from vital processes, chemical action, friction, solution, or the influence of light or of ultraviolet or cathode rays, etc.

(Zool.)

(a)

The faculty or power of producing light by biological processes, as in the firefly and glowworm. Also called bioluminescence.

(b)

The light produced by biological or biochemical processes. Also called bioluminescence.

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Etymology of 'Luminescence'

Collaborative International Dictionary of English 0.48

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"Luminescence" Quotes from Famous Books

... class of phenomena included under the general term "luminescence." The definition of this term is not thoroughly agreed upon, but light produced in this manner does not depend upon temperature in the sense that a glowing tungsten filament emits light because it is sufficiently hot. A phosphorus match rubbed in the moist palm of the hand is seen to ...

— Artificial Light - Its Influence upon Civilization • M. Luckiesh

Words linked to "Luminescence" : brightness, luminosity, luminesce, luminescent, bioluminescence, visible radiation, light, brightness level, glow, chemiluminescence, luminousness, visible light