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An electric light in which a current traverses a gas between two incandescent electrodes and generates an arc that produces light. Also called arc light.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||arc lamp - a lamp that produces light when electric current flows across the gap between two electrodes|
electric lamp - a lamp powered by electricity
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