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Definition of Phosphor
1. Noun. A synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubes.
Definition of Phosphor
1. n. Phosphorus.
Definition of Phosphor
1. Proper noun. alternative name of Phosphorus, the morning star ¹
2. Noun. (chemistry) Any of various compounds of transition metals or of rare earths that exhibits phosphorescence. ¹
¹ Source: wiktionary.com
Definition of Phosphor
1. a substance that will emit light when exposed to radiation [n -S]
Medical Definition of Phosphor
1. A chemical substance that transforms incident electromagnetic or radioactive energy into light, as in scintillation radioactivity determinations or radiographic intensifying screens or image amplifiers. Origin: G. Phos, light, + phoros, bearing (05 Mar 2000)