a light bulb

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• 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 moment — A light bulb moment is when you have a sudden realisation about something, like the light bulbs used to indicate an idea in cartoons …   The small dictionary of idiomes

• 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 — noun electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity (Freq. 2) • Syn: ↑lightbulb, ↑bulb, ↑incandescent lamp, ↑electric light,… …   Useful english 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 moment —    A light bulb moment is when you have a sudden realisation about something, like the light bulbs used to indicate an idea in cartoons.   (Dorking School Dictionary)    ***    A light bulb moment is when you have a sudden moment of inspiration,… …   English Idioms & idiomatic expressions