halogen lamp

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.

Example Sentences

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

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

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

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A halogen lamp just inside pointed out into the sky.

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

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