phosphorescence
noun
- the condition or property of a substance of giving off a lingering emission of light after exposure to radiant energy, as light or X-rays
- the light thus given off
- a continuing luminescence without noticeable heat, as from phosphorus when it is slowly oxidized
See phosphorescence in American Heritage Dictionary 4
(fŏsˌfə-rĕsˈəns)
noun- Persistent emission of light following exposure to and removal of incident radiation.
- Emission of light without burning or by very slow burning without appreciable heat, as from the slow oxidation of phosphorous: “He saw the phosphorescence of the Gulf weed in the water” (Ernest Hemingway).
Related Forms:
- phosˌpho·resˈcent adjective
- phosˌpho·resˈcent·ly adverb
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