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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



... the room was as murky as dish-water, and Stanton lay and fretted in the messy, sudsy snow-light like a forgotten knife or spoon until the janitor wandered casually in about three o'clock and wrung a piercing little wisp of flame out of the electric-light bulb over the sick man's head, and raised him clumsily out of his soggy pillows and fed him indolently with a sad, thin soup. Worst of all, four times in the dreadful interim between breakfast and supper the postman's thrilly footsteps soared up the long metallic stairway like ...
— Molly Make-Believe • Eleanor Hallowell Abbott

... a reason, maw. Junius. She's got the whole clearing lit up like the noonday sun. Lord only knows how she got that way, but she's shining out there like a great big light bulb, only brighter." ...
— The Shining Cow • Alex James

... this last; and the knowledge of the conditions under which this relation becomes most considerable led to the discovery of incandescent lighting by gas in the Auer-Welsbach mantle, and to the substitution for the carbon thread in the electric light bulb of a filament of osmium or a small rod of magnesium, as in the Nernst lamp. Careful measurements effected by M. Fery have furnished, in particular, important information on the radiation of the white ...
— The New Physics and Its Evolution • Lucien Poincare

... efforts, removed their headpieces, and with a "good-bye" to Tom, who lived in a room at the rear of the station, started for the house. If New Mexico were to call, a light bulb would flash the signal in Tom's quarters, and ...
— The Radio Boys on the Mexican Border • Gerald Breckenridge

... would you go about it," he shot at his audience, "if you were asked to measure the cubic contents of an electric light bulb?" ...
— Radio Boys Loyalty - Bill Brown Listens In • Wayne Whipple



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