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tungsten lamp

noun
1.
an incandescent electric lamp in which the filament is made of tungsten.
Origin
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for tungsten lamp
  • The system response is calibrated by a tungsten lamp with known radiance.
  • Calibration against tungsten lamp-based uniform sources does not represent scenes remotely sensed.
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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