Dictionary

quartz–iodine lamp

noun

Definition of QUARTZ-IODINE LAMP

:  a lightbulb 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

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March 31, 2015
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