Lightbulb Definition

lītbulb
lightbulbs
noun
lightbulbs

Any device, consisting of a filament, gas, etc. within a glass bulb or tube, for producing artificial light by means of an electric current; specif., an incandescent lamp.

Webster's New World
Alternative spelling of light bulb.
Wiktionary
Synonyms:

Other Word Forms of Lightbulb

Noun

Singular:
lightbulb
Plural:
lightbulbs

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