tungsten lamp

American  

noun

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

---

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 )

---

tungsten lamp Scientific  

1. An incandescent electric lamp having a tungsten filament.

---

Etymology

Origin of tungsten lamp

First recorded in 1905–10

Example Sentences

In its place was a 100-watt tungsten lamp whose rays made the white table cloth fairly glisten.

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

A tungsten lamp has an average efficiency of 1¼ watts per candlepower, compared with 3½ to 4 watts of the old-style carbon lamp.

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

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

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