Phosphor Meaning
/ˈfɒsfə/Definition, CEFR level C1, pronunciation, examples, and quiz.
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Definition
nounAny of various compounds of transition metals or of rare earths that exhibit phosphorescence.
nameAlternative spelling of Phosphorus (“the planet Venus, as the morning star”).
Sentence Examples
The inside of the TV screen is coated with a layer of phosphor.
Phosphor materials are used to create light in some lamps.
The screen uses a green phosphor to display images.
CEFR Practice Quiz
The inside of a CRT monitor is coated with a ____ that glows when hit by electrons.
CEFR Practice Quiz (Alternate)
The screen was coated with a ____ material that glowed when struck by an electron beam.
Word Origin & History
From Medieval Latin phosphorus.
Literary Quotations & Historical Citations
"All night no ruder air perplex
Thy sliding keel, till Phosphor, bright
As our pure love, thro’ early light
Shall glimmer on the dewy decks."
— 1850, [Alfred, Lord Tennyson], “Canto IX”, in In Memoriam, London: Edward Moxon, […], →OCLC:
"Anna likened you to Phosphor, the morning star, and herself to Hesper, the mortal star of evening, and when I told her those twin stars were one and the same, and not a star at all but the planet Venus,[…]"
— 1960, John Barth, The Sot-Weed Factor, Garden City, NY: Doubleday, →OCLC, page 518:
Explore More C1 Vocabulary Words
CEFR Practice Quiz
The inside of a CRT monitor is coated with a ____ that glows when hit by electrons.
CEFR Practice Quiz (Alternate)
The screen was coated with a ____ material that glowed when struck by an electron beam.