Found 2 items, similar to lightbulb.
English → English (WordNet) Definition: lightbulb lightbulb n : electric lamp consisting of a glass bulb containing a wire filament (usually tungsten) that emits light when heated [syn: light bulb, bulb, incandescent lamp, electric light , electric-light bulb]
English → English (gcide) Definition: lightbulb lightbulb \lightbulb\, light bulb \light bulb\n. 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]