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lightbulb

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noun light·bulb \ˈlīt-ˌbəlb\

Definition of lightbulb

  1. :  an electric lamp: as a :  one in which a filament gives off light when heated to incandescence by an electric current —called also incandescent, incandescent lamp b :  fluorescent lamp



Illustration of lightbulb

1884

First Known Use of lightbulb

1884

Variants of lightbulb

or

light bulb


Learn More about lightbulb

  1. Spanish Central: Translation of lightbulb


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