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An electric light in which a current produces light when an arc traverses the gap between two incandescent electrodes in a container filled with a gas, such as xenon. The two electrodes are usually made of carbon and are eventually vaporized by the heat they generate. Arc lamps are used to produce intense light (as in spotlights) and to produce heat for welding.
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Words nearby arc lamp
Arcimboldi, Arcimboldo, Arciniegas, arc-jet engine, arcked, arc lamp, arc light, ARCM, arcmin, arco, Arc of Lowitz
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
How to use arc lamp in a sentence
The sequestered spot, a seat beneath a plane tree, with a lonesome arc-lamp shining full upon it, was occupied.The Joyous Adventures of Aristide Pujol|William J. Locke
We were passing under an arc lamp, and, for the dismay his face showed, I might have said Kamchatka.The Riddle of the Sands|Erskine Childers
What is the illumination in foot-candles upon a surface 20 ft. from an arc lamp having an intensity of 1000 candle power?Physics|Willis Eugene Tower
Once a curiously-hatted policeman stared blankly at them under an arc lamp as the staff car clanked and rumbled past him.The Invaders|William Fitzgerald Jenkins
By the light of an arc-lamp some distance off, Jack could catch the dangerous gleam in the black-bearded mans eyes.The Ocean Wireless Boys and the Lost Liner|Wilbur Lawton