light bulb

/ˌlaɪt ˈbʌlb/
/laɪt bəlb/
IPA guide

Other forms: light bulbs

Definitions of light bulb
  1. noun
    electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
    synonyms: bulb, electric light, electric-light bulb, incandescent lamp, lightbulb
    see moresee less
    type of:
    electric lamp
    a lamp powered by electricity
Pronunciation
US
/ˌlaɪt ˈbʌlb/
UK
/laɪt bəlb/
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