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quartz lamp

American  

noun

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

Etymology

Origin of quartz lamp

First recorded in 1920–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Within is a mercury quartz lamp which emits ultraviolet light.

From Time Magazine Archive

Using a quartz lamp, a current of about 170 volts and a low amperage and about half an ounce of mercury vapor, he was surprised to find, after about 200 hours of operation, that the mechanism was out of order.

From Time Magazine Archive

A quartz lamp will give a healthy sunburn.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.