lightbulb

lightbulb
lightbulb lightbulb, light bulb light bulb . A glass bulb with metallic contacts on the outside connected to a wire filament (usually tungsten) inside that emits light when heated by passage of electricity through the filament; -- used as the replaceable light-emitting component of an electric lamp, flashlight, lighting fixture, etc.

Syn: light bulb, bulb, incandescent lamp, electric light, electric-light bulb. [WordNet 1.5 +PJC]


The Collaborative International Dictionary of English. 2000.

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