quartz lamp

quartz lamp

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.

Origin:
1920–25
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Quartz lamp is always a great word to know.
So is zedonk. Does it mean:
a fool or simpleton; ninny.
the offspring of a zebra and a donkey.
Collins
World English Dictionary
quartz-iodine lamp or quartz lamp
 
n
a type of tungsten-halogen lamp containing small amounts of iodine and having a quartz envelope, operating at high temperature and producing an intense light for use in car headlamps, etc
 
quartz lamp or quartz lamp
 
n

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