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light bulb Definition

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light bulb
noun(light bulb)
an electric lamp: such as
light bulb
noun(light bulb)
one in which a filament gives off light when heated to incandescence by an electric current —called also incandescent, incandescent lamp
light bulb
noun(light bulb)
fluorescent lamp
light bulb
idiom(light bulb)
—used to say that a person suddenly understands something or has a great idea
light bulb
noun(light bulb)
a light bulb whose light is produced by the glow of a wire heated by an electric current

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