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.


Origin:
1880–85

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World English Dictionary
incandescent lamp
 
n
a source of light that contains a heated solid, such as an electrically heated filament

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
incandescent lamp   (ĭn'kən-děs'ənt)  Pronunciation Key 


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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
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Example sentences
At this point, he had succeeded in making the incandescent lamp and could now resume his work on the phonograph.
Yttrium compounds have replaced thorium compounds in incandescent lamp mantles.
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