1 quartz-iodine lamp | Definition of quartz-iodine lamp
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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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