halogen lamp

American  

noun

1. a gas-filled, high-intensity incandescent lamp having a tungsten filament and containing a small amount of a halogen, such as iodine, that vaporizes on heating and redeposits any evaporated tungsten particles back onto the filament: used especially in motion-picture projectors and automobile headlights.

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Example Sentences

When illuminated by the microscope's halogen lamp and analyzed through a spectrometer, the light separates into different wavelengths.

From Science Daily

When a simple halogen lamp illuminates the tiny cavities, the light inside is captured as if in a trap.

From Science Daily

After a while, "the fire service turned the machinery and a big halogen lamp off and started to walk away", she said.

From BBC

A halogen lamp just inside pointed out into the sky.

From Nature

Once the sky turns pink and the sun sets, the street descends into shadow, save for the faintest glow from halogen lamp posts.

From Reuters