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quartz lamp

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noun

a lamp consisting of an ultraviolet light source, as mercury vapor, contained in a fused-silica bulb that transmits ultraviolet light with little absorption.

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The rainy weather could not ________ my elated spirits on my graduation day.

Origin of quartz lamp

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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