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单词 phosphor
释义

phosphor


phos·phor

P0258400 (fŏs′fər, -fôr′)n.1. A substance that exhibits phosphorescence.2. The phosphorescent coating inside the screen of a cathode-ray tube.
[Latin Phōsphorus, the morning star; see phosphorus.]

phosphor

(ˈfɒsfə) n (General Physics) a substance, such as the coating on a cathode-ray tube, capable of emitting light when irradiated with particles or electromagnetic radiation[C17: from French, ultimately from Greek phōsphoros phosphorus]

phos•phor

(ˈfɒs fər, -fɔr)

n. a substance that exhibits luminescence when struck by light of certain wavelengths, as by ultraviolet. [1625–35; < French phosphore < Latin Phōsphorus < Greek Phōsphóros light-bringing, the morning star =phôs light + -phoros bringing]

phos·phor

(fŏs′fər) A substance that can emit light after absorbing some form of radiation. The insides of television screens and fluorescent lamp tubes are coated with phosphors. See Note at cathode-ray tube.
Thesaurus
Noun1.phosphor - a synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubessynthetic, synthetic substance - a compound made artificially by chemical reactions
Translations

phosphor


phosphor

a substance, such as the coating on a cathode-ray tube, capable of emitting light when irradiated with particles or electromagnetic radiation

Phosphor

The internal coating of fluorescent bulbs, which glows when bombarded with electromagnetic radiation.

phosphor

[′fäs·fər] (physics) luminophor

phosphor

A substance capable of luminescence, such as a fluorescent powder which absorbs ultraviolet power and reemits it as visible light; used to coat the inside of various electric-discharge lamps.

phosphor

A rare earth material used to coat the inside face of a CRT and plasma TV screen. When struck by an electron beam, the phosphor emits a visible light for a few milliseconds. In color displays, red, green and blue phosphor dots are grouped as a cluster. See CRT, plasma display, screen burn and phosphorene.

phosphor


phos·phor

(fos'fŏr), 1. A chemical substance that transforms incident electromagnetic or radiation energy into light, as in scintillation radioactivity determinations or radiographic intensifying screens or image amplifiers. 2. Any substance capable of exhibiting phosphorescence. [G. phōs, light, + phoros, bearing]

phos·phor

(fos'fŏr) A chemical substance that transforms incident electromagnetic or radioactive energy into light, as in scintillation radioactivity determinations or radiographic intensifying screens or image amplifiers. [G. phōs, light, + phoros, bearing]

phosphor

(fos′fŏr, ′for″) [Fr. phosphore, fr L. phosphorus, morning star, fr Gr. phōsphoros, light-bringer] A substance that in radiographic intensifying screens, fluoroscopic image intensifiers, or other image receptors converts photons of ionizing radiation into light, thereby amplifying the image.

rare-earth phosphor

An element such as yttrium, gadolinium, or lanthanum, used for ultra-high-speed radiographic intensification screens.

phosphor


  • noun

Words related to phosphor

noun a synthetic substance that is fluorescent or phosphorescent

Related Words

  • synthetic
  • synthetic substance
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更新时间:2025/3/17 19:02:44