PHOSPHOR
phosphor
(noun) a synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubes
Source: WordNet® 3.1
Etymology
Noun
phosphor (countable and uncountable, plural phosphors)
(chemistry) Any of various compounds of transition metals or of rare earths that exhibit phosphorescence.
(chemistry, obsolete) Phosphorus.
Proper noun
Phosphor
Alternative spelling of Phosphorus
Source: Wiktionary
Phos"phor, n. Etym: [Cf. G. phosphor. See Phosphorus.]
1. Phosphorus. [Obs.] Addison.
2. The planet Venus, when appearing as the morning star; Lucifer.
[Poetic] Pope. Tennyson.
Source: Webster’s Unabridged Dictionary 1913 Edition