from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An electric lamp in which a filament is heated to incandescence by an electric current.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a lamp that creates radiant energy when its metallic filament is heated by an electric current
from the GNU version of the Collaborative International Dictionary of English
- adj. a kind of lamp in which the light is produced by a thin filament of conducting material, now usually tungsten, but originally carbon, contained in a vacuum or an atmosphere of inert gas within a glass bulb, and heated to incandescence by an electric current. It was inventerd by Thomas Edison, and was once called the Edison lamp; -- called also incandescence lamp, and glowlamp. This is one of the two most common sources of electric light, the other being the
fluorescent light, fluorescent lampor fluorescent bulb.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
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