tungsten lamp

American  

noun

1. an incandescent electric lamp in which the filament is made of tungsten.

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tungsten lamp British  

noun

1. a lamp in which light is produced by a tungsten filament heated to incandescence by an electric current. The glass bulb enclosing the filament contains a low pressure of inert gas, usually argon. Sometimes small amounts of a halogen, such as iodine, are added to improve the intensity ( tungsten-halogen lamp )

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tungsten lamp Scientific  

1. An incandescent electric lamp having a tungsten filament.

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Etymology

Origin of tungsten lamp

First recorded in 1905–10

Example Sentences

However, light from a tungsten lamp may be filtered to obtain the same quality of light as is emitted by the carbon filament lamp by absorbing from one fifth to one fourth of the light.

From Artificial Light Its Influence upon Civilization by Luckiesh, Matthew

In fact, the gas-filled tungsten lamp may be thought of as an ordinary lamp with its long filament made into a short helical coil and the bulb filled with nitrogen or argon gas.

From Artificial Light Its Influence upon Civilization by Luckiesh, Matthew

Then Ruth touched the trigger of the big tungsten lamp, and the spotlight shot the herd at about the middle of its advance wave.

From Ruth Fielding In the Saddle College Girls in the Land of Gold by Emerson, Alice B.

They learned that the big lights were a new type of tungsten lamp filled with nitrogen gas which made them burn three times as bright as other lamps.

From The Boy Scout Fire Fighters by Crump, Irving

The introduction of the drawn-wire tungsten lamp is responsible for an innovation in spectacular lighting of this sort, for now it became possible to make concentrated light-sources so essential to projectors.

From Artificial Light Its Influence upon Civilization by Luckiesh, Matthew