quartz-iodine lamp

noun

Definition of quartz-iodine lamp 

: a light bulb consisting of a quartz bulb and a tungsten filament with the bulb containing iodine which reacts with the vaporized tungsten to prevent excessive blackening of the bulb

First Known Use of quartz-iodine lamp

circa 1964, in the meaning defined above

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The first known use of quartz-iodine lamp was circa 1964

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