quartz lamp

quartz lamp
a lamp consisting of an ultraviolet light source, as mercury vapor, contained in a fused-silica bulb that transmits ultraviolet light with little absorption.
[1920-25]

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Universalium. 2010.

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  • quartz lamp — n a mercury vapor lamp in a tube of quartz glass that transmits most of the ultraviolet radiation …   Medical dictionary

  • quartz lamp — ☆ quartz lamp n. a high intensity mercury vapor lamp with a housing of fused quartz that remains cooler and more transparent than glass …   English World dictionary

  • quartz lamp — quartz′ lamp′ n. opt 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: 1920–25 …   From formal English to slang

  • quartz lamp — noun a mercury vapor lamp that is enclosed in a quartz container instead of a glass container • Hypernyms: ↑mercury vapor lamp * * * noun : a mercury vapor lamp in a tube of quartz glass that transmits most of the ultraviolet radiation * * * a… …   Useful english dictionary

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  • quartz lamp — type of lamp that produces ultraviolet light …   English contemporary dictionary

  • quartz lamp — One which contains a mercury arc under pressure, a powerful source of ultraviolet radiation …   Dictionary of automotive terms

  • quartz-halogen lamp — quartz lamp, quartz halogen lamp or quartz iodine lamp noun A compact source of light used for high intensity floodlighting of large areas, in car (fog )lamps, cine projectors, etc • • • Main Entry: ↑quartz …   Useful english dictionary

  • quartz-iodine lamp — ¦ ̷ ̷ ¦ ̷ ̷  ̷ ̷  ̷ ̷ noun : an incandescent lamp that has a quartz bulb and a tungsten filament and that contains iodine which reacts with the vaporized tungsten to prevent excessive blackening of the bulb * * * quartz lamp, quartz halogen lamp… …   Useful english dictionary

  • quartz — n. a mineral form of silica that crystallizes as hexagonal prisms. Phrases and idioms: quartz clock a clock operated by vibrations of an electrically driven quartz crystal. quartz lamp a quartz tube containing mercury vapour and used as a light… …   Useful english dictionary

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