phosphor

CEFRC1

/fˈɑˌsfɔr/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A substance that gives off light after receiving energy.

  2. 02

    noun

    Extra detail

    Any of various compounds of transition metals or of rare earths that exhibit phosphorescence.

Examples

  • Phosphor materials are used to create light in some lamps.

  • The inside of the TV screen is coated with a layer of phosphor.

At a glance

Sits at C1 on the CEFR scale

Senses
3
Parts of speech
1
Citations
2

Also pronounced

  • /ˈfɒsfə/

Deep Dive

noun

Extra meaning

  1. The planet Venus, when appearing as a morning star

More examples

In context

  • The screen uses a green phosphor to display images.

  • 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.

  • 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,[…]

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

The inside of a CRT monitor is coated with a blank that glows when hit by electrons.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

From Medieval Latin phosphorus.