mercury arc lamp

mercury arc lamp
mercury vapor lamp, quartz lamp a lamp in which the arc is struck in mercury and is enclosed in a quartz burner; used in photodynamic therapy. The two most common types are the low pressure or cold quartz type and the high pressure or hot quartz type.

Medical dictionary. 2011.

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  • mercury-arc lamp — noun : mercury vapor lamp …   Useful english dictionary

  • Mercury-vapor lamp — Mercury Lamp redirects here. For the character in the Rozen Maiden anime and manga, see Characters of Rozen Maiden. A 175 watt mercury vapor yard light approximately 15 seconds after starting …   Wikipedia

  • mercury-vapour lamp — /mɜkjəri ˈveɪpə læmp/ (say merkyuhree vaypuh lamp) noun a lamp producing a light with a high ultraviolet content by means of an electric arc in mercury vapour. Also, mercury vapor lamp …  

  • mercury arc — n. an electric discharge passed through ionized mercury vapor, esp. in a mercury vapor lamp or an electron tube …   English World dictionary

  • low pressure mercury arc lamp — an ultraviolet radiation lamp having a low vapor pressure, low amperage, high voltage, and a glow discharge; more than 95 per cent of its emission is ultraviolet C in the mercury vapor resonance emission line at 254 nm. In the treatment of skin… …   Medical dictionary

  • high pressure mercury arc lamp — an ultraviolet radiation lamp having a high vapor pressure with high intensity light because of linear spectral emissions in many wavelength ranges; used as a source of ultraviolet B for treating dermatologic disorders. See also Goeckerman… …   Medical dictionary

  • mercury-vapor lamp — noun ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor • Hypernyms: ↑ultraviolet lamp, ↑ultraviolet source • Hyponyms: ↑quartz lamp, ↑sunlamp, ↑sun lamp, ↑sunray… …   Useful english dictionary

  • mercury-vapor lamp — mer′cury va por lamp n. elm a lamp producing a light with a high actinic and ultraviolet content by means of an electric arc in mercury vapor …   From formal English to slang

  • mercury-vapor lamp — /merr kyeuh ree vay peuhr/, Elect. a lamp producing a light with a high actinic and ultraviolet content by means of an electric arc in mercury vapor. [1900 05] * * * …   Universalium

  • mercury-vapour lamp — noun a gaseous discharge lamp in which the arc discharge takes place in mercury vapour; used for highway illumination and as an industrial source of ultraviolet radiation …   Wiktionary

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