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phosphor

play
noun phos·phor \ˈfäs-fər, -ˌfȯr\

Definition of phosphor

  1. 1 :  a phosphorescent substance

  2. 2 :  a luminescent substance that emits light when excited by radiation (as electrons) and is used especially in fluorescent lamps and cathode-ray tubes



Variants of phosphor

also phosphore play \-ˌfȯr, -fər\

Origin of phosphor

Latin phosphorus, from Greek phōsphoros, literally, light bringer, from phōsphoros light-bearing, from phōs light + pherein to carry, bring — more at fancy, bear


First Known Use: 1705


Medical Dictionary

phosphor

play
noun phos·phor \ˈfäs-fər, -ˌfȯ(ə)r\

Medical Definition of phosphor

  1. :  a phosphorescent substance; specifically :  a substance that emits light when excited by radiation



Variants of phosphor

also phosphore \-ˌfō(ə)r, -ˌfȯ(ə)r, -fər\play

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