Word.ws English Dictionary

light-bulb

light-bulb is the alternative form of light bulb.

Meaning of light bulb

Noun

light bulb (plural light bulbs)

  1. An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.
    • Atticus did something that interested us: he came into the livingroom carrying a long electrical extension cord. There was a light bulb on the end.1960 July 11, Harper Lee, chapter 15, in To Kill a Mockingbird, Philadelphia, Pa.; New York, N.Y.: J[oshua] B[allinger] Lippincott Company, →OCLC
  2. (broadly) An article that resembles such a bulb and converts electricity to light by any process.
    • a fluorescent light bulb
  3. (figuratively) Used in reference to the sudden arrival of a realization, an inspiration, an idea, or the like.
    • a light-bulb moment

Forms of light-bulb

plurallight-bulbs

Phrases with light-bulb

Questions about light-bulb

What is light-bulb the alternative form of?
Light-bulb is the alternative form of light bulb.

Words near light-bulb in the dictionary

  1. light year
  2. light years
  3. light æon
  4. light æons
  5. light-bearing
  6. light-bulb
  7. light-bulb moment
  8. light-bulb moments
  9. light-bulbed
  10. light-bulbs
  11. light-collecting power

Source and license

Adapted from Wiktionary: light-bulb (page history and authors); light bulb (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “light-bulb.” Word.ws, https://word.ws/light-bulb. Based on Wiktionary, CC BY-SA 4.0.