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tungsten lamp

noun
1.
an incandescent electric lamp in which the filament is made of tungsten.
Origin of tungsten lamp
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for tungsten lamp
Historical Examples
  • How many candle power should a 20-watt tungsten lamp give if its efficiency is one watt per candle power?

    Physics Willis Eugene Tower
  • There are two styles in common use, the carbon and the tungsten lamp.

    Electricity for the farm Frederick Irving Anderson
  • What is the resistance of a 20-watt tungsten lamp if the E.M.F. is 115 volts?

    Physics Willis Eugene Tower
  • One 25-watt tungsten lamp or its equivalent provided for every 20 seats will give fairly good illumination in a small theater.

  • The 30-volt storage battery has become standard for small lighting plants, since the introduction of the tungsten lamp.

    Electricity for the farm Frederick Irving Anderson
  • Find the resistance of a 40-watt tungsten lamp when the voltage is 115?

    Physics Willis Eugene Tower
  • In its place was a 100-watt tungsten lamp whose rays made the white table cloth fairly glisten.

    Electricity for the farm Frederick Irving Anderson
  • What is the "efficiency" of a 40-watt tungsten lamp if it gives 34 candle power?

    Physics Willis Eugene Tower
  • The tantalum lamp had no opportunity to become established, because the tungsten lamp followed its appearance very closely.

    Artificial Light M. Luckiesh
British Dictionary definitions for tungsten lamp

tungsten lamp

noun
1.
a lamp in which light is produced by a tungsten filament heated to incandescence by an electric current. The glass bulb enclosing the filament contains a low pressure of inert gas, usually argon. Sometimes small amounts of a halogen, such as iodine, are added to improve the intensity (tungsten-halogen lamp)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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tungsten lamp in Science
tungsten lamp  
An incandescent electric lamp having a tungsten filament.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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