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quartz lamp

Noun CEFR B2

Definitions

A mercury vapor lamp consisting of an ultraviolet light source, and enclosed by an envelope made from quartz rather than glass, which transmits ultraviolet light with little absorption.

Equivalents

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

quartz mining quartz monzonite quartz reefer quartz schist quartz watch quartz-crystal clock

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