WordReference Random House Learner's Dictionary of American English © 2025
ˈhal•o•gen ˌlamp, n. [countable]
  1. Cinema, Electricity, Energya gas-filled, high-intensity lamp.

WordReference Random House Unabridged Dictionary of American English © 2025
hal′ogen lamp′, 
  1. Cinema, Electricity, Energya 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 esp. in motion-picture projectors and automobile headlights.

'halogen lamp' also found in these entries (note: many are not synonyms or translations):
quartz-iodine lamp - tungsten lamp

Forum discussions with the word(s) "halogen lamp" in the title:


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