Phosphor 1


Phosphor 1 : (Chem) A substance that emits light when stimulated by radiation. See: Scintillation. Note: A phosphor absorbs radiant energy, such as x-rays, cathode rays, or ultraviolet light, and then emits a portion of the energy in the ultraviolet, visible, or infrared region of the electromagnetic spectrum. Phosphors are classed as fluorescent or luminescent substances
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