arc lamp

noun

: an electric lamp that produces light by an arc made when a current passes between two incandescent electrodes surrounded by gas

called also arc light

Examples of arc lamp in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The cozy living room is the perfect size for a sectional sofa, an accent chair or two, and a dramatic arc lamp to tie it all together. Miles Walls, Southern Living, 7 Dec. 2024 Farnsworth’s system involved placing a simple image, such as a straight line, between a carbon arc lamp and an image dissector, which displayed a clear image on a receiver in another room. The Arizona Republic, 6 Sep. 2024

Word History

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of arc lamp was in 1879

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Cite this Entry

“Arc lamp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arc%20lamp. Accessed 28 Mar. 2025.

Kids Definition

arc lamp

noun
: a lamp that produces light when an electric current passes between two hot electrodes surrounded by gas

called also arc light

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