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Light bulb   /laɪt bəlb/   Listen
noun
light bulb, lightbulb  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.
Synonyms: light bulb, bulb, incandescent lamp, electric light, electric-light bulb.






Collaborative International Dictionary of English 0.48








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"Light bulb" Quotes from Famous Books



... sounded like a cinematograph reeling off a film. The ticking sank almost into silence as the receiving apparatus was held in the shadow of the office table, and leaped into a lively rattle again when I brought it near an electric-light bulb. I blindfolded myself and moved a piece of blotting paper between the receiver and the light. I could actually hear the grating of the shadow, yes, I heard the shadow pass. At night, too, I have found that it is even affected by the light ...
— Guy Garrick • Arthur B. Reeve

... Dex and Hazel were seeing eye-to-eye, even in the dark, and I worried about the effect on the others. I might as well have worried about the effect of a light bulb on the sun. They married or some such, refused time off, and the GG functioned, if anything, better. It was almost indecent the way the five ...
— Question of Comfort • Les Collins

... moderator, duplex; torch, flambeau, link, brand; gaselier[obs3], chandelier, electrolier[obs3], candelabrum, candelabra, girandole[obs3], sconce, luster, candlestick. [non-combustion based light sources] lamp, light; incandescent lamp, tungsten bulb, light bulb; flashlight, torch[Brit]; arc light ;laser; maser [microwave radiation]; neon bulb, neon sign; fluorescent lamp. [parts of a light bulb] filament; socket; contacts; filler gas. firework, fizgig[obs3]; pyrotechnics; rocket, lighthouse &c. (signal) 550. V. illuminate &c. (light) 420. ...
— Roget's Thesaurus



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