- nounelectric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity (Freq. 2)• Hypernyms: ↑electric lamp• Part Meronyms: ↑filament
* * *noun
* * *an electric light.[1880-85]
* * *light bulb nounA glass bulb containing a low-pressure gas and a metal filament which glows when an electric current is passed through it, one of the most common methods of electric lighting• • •Main Entry: ↑light
* * *a glass object that you put in an electric light to produce light. A light bulb is often simply called a bulb .
* * *light bulb,= incandescent lamp. (Cf. ↑incandescent lamp)
* * *(also lightbulb) n. a glass bulb inserted into a lamp or a socket in a ceiling, that provides light by passing an electric current through a pocket of inert gas
* * *noun, pl ⋯ bulbs [count]: a glass bulb or tube that produces light when it is supplied with electricity
change a light bulb that has burned out— called also bulba light bulb goes off/onchiefly US informal◇ When a light bulb goes off/on (in your head), you suddenly understand something or have a great idea.
After thinking about the problem for several days, a light bulb went off in her head, and she knew how to solve it.
* * *ˈlight bulb [light bulb light bulbs] noun= ↑bulb
Useful english dictionary. 2012.
Look at other dictionaries:
light bulb — light ,bulb noun count a glass object that you put in an electric light to produce light. A light bulb is often simply called a bulb … Usage of the words and phrases in modern English
light bulb — light bulbs N COUNT A light bulb or bulb is the round glass part of an electric light or lamp which light shines from. Syn: bulb … English dictionary
light bulb — also lightbulb, 1884, from LIGHT (Cf. light) (n.) + BULB (Cf. bulb) … Etymology dictionary
light bulb — n ↑filament, ↑thread the glass object inside a lamp that produces light and has to be replaced regularly = ↑bulb … Dictionary of contemporary English
light bulb — light′ bulb n. elm an electric light bulb; incandescent lamp • Etymology: 1880–85 … From formal English to slang
light bulb — ► NOUN ▪ a glass bulb containing inert gas, fitted into a lamp or ceiling socket, which provides light when an electric current is passed through it … English terms dictionary
light bulb — 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… … The Collaborative International Dictionary of English
light bulb — UK / US noun [countable] Word forms light bulb : singular light bulb plural light bulbs a glass object that you put in an electric light to produce light. A light bulb is often simply called a bulb … English dictionary
light bulb — n. a pregnant woman. (Jocular. Refers to the shape of a pregnant woman.) □ Who’s the light bulb on the sofa? □ I can’t possibly fit that light bulb ut there. She’ll have to wait a few months before buying expensive clothing … Dictionary of American slang and colloquial expressions
light bulb — Synonyms and related words: candle, electric light bulb, fire, flame, glim, illuminant, illuminator, incandescent body, lamp, lantern, light, light source, luminant, luminary, match, moon, source of light, stars, sun, taper, torch … Moby Thesaurus