light bulb (noun)
(1) Electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
Examples
1. He dimmed the lights and lit a candle to create a romantic atmosphere.
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romantic
2. In the anime, a character's thoughts were often symbolized by a light bulb appearing above their head.
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anime
3. Why did the light bulb go to school? Because it wanted to be brighter!
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joke
4. Thomas Edison invented the practical incandescent light bulb in 1879.
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history