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incandescent lamp

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noun
  1. a lamp that emits light due to the glowing of a heated material, especially the common device in which a tungsten filament enclosed within an evacuated glass bulb is rendered luminous by the passage of an electric current through it.
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Origin of incandescent lamp

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for incandescent lamp

incandescent lamp

noun
  1. a source of light that contains a heated solid, such as an electrically heated filament
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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

incandescent lamp in Science

incandescent lamp

[ĭn′kən-dĕsənt]
  1. A lamp that produces light by heating up a filament of wire inside a bulb with an electric current, causing incandescence. The glass bulb containing the filament is filled with a nonreactive gas, such as argon, to prevent the wire from burning. Compare fluorescent lamp.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.