light bulb(redirected from Light bulbs)
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A light-emitting device that consists of a gas-filled glass tube or bulb and is used inside electric light fixtures and flashlights.
(Electrical Engineering) a glass bulb containing a gas, such as argon or nitrogen, at low pressure and enclosing a thin metal filament that emits light when an electric current is passed through it. Sometimes shortened to: bulb
an electric light bulb; incandescent lamp.
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|Noun||1.||light bulb - electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity|
electric lamp - a lamp powered by electricity
filament - a thin wire (usually tungsten) that is heated white hot by the passage of an electric current