The chemical on the inside of the television screen which produce photons (light) when struck with an electron beam. Color CRTs (such as televisions) have red, green and blue (RGB) phosphors, while "greyscale" televisions only have white phosphors.
Phos"phor (?), n. [Cf. G. phosphor. See Phosphorus.]
The planet Venus, when appearing as the morning star; Lucifer.
© Webster 1913.
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