incandescent lamp
noun
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.
Nearby words
incalculable, incalescent, incandesce, incandescence, incandescent, incandescent lamp, incantation, incantatory, incapable, incapacitant, incapacitate
Compare fluorescent lamp.
Origin of incandescent lamp
First recorded in 1880–85
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for incandescent lamp
incandescent lamp
noun
a source of light that contains a heated solid, such as an electrically heated filament
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
Science definitions for incandescent lamp
incandescent lamp
[ ĭn′kən-dĕs′ənt ]
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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.