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

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

Ordinary arc lamps, and even flame arc lamps, are being displaced by the modern high-candle-power gas-filled tungsten lamp.

From The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura by Various

In order to make an accurate artificial north skylight for color-work by means of colored glass, from 75 to 85 per cent. of the light from a tungsten lamp must be filtered out.

From Artificial Light Its Influence upon Civilization by Luckiesh, Matthew

The Tungsten Lamp With the advent of the new tungsten lamp, however, reducing the current requirements for light by two-thirds, the storage battery immediately came into its own, and is now of general use.

From Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine by Anderson, Frederick Irving

The filament is capable of subdivision, with the result that such lamps vary from the minutest spark of the smallest miniature lamp to the enormous output of the largest gas-filled tungsten lamp.

From Artificial Light Its Influence upon Civilization by Luckiesh, Matthew