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halogen lamp

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. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for halogen lamp
  • These lamps work by increasing the operating temperature of the halogen lamp, increasing efficiency.
  • Its cause was apparently an overturned halogen lamp.
  • That's the equivalent light that comes from a standard halogen lamp, at a fraction of the power.

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