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

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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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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Example sentences
The lamps are housed inside of quartz lamp sleeves in the reactor to protect the lamp from breaking.
The quartz lamp provision would require use of more efficient quartz products that have an infrared reflective coating.
The quartz lamp bank and its control system were left unchanged.
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