arc lamp

Scientific  

1. 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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Example Sentences

A ravaged dirt lot confronted me, encircled on all sides by electrical arc lamps as bright as full moons.

From Literature

Xenon arc lamps bombard materials with photons, collapsing years of light exposure into hours.

From Science Magazine

I can still feel the heat from the intensely bright “carbon arc lamps,” which shined a powerful light through the film.

From Washington Post

Owen’s Electrical Tower was 207 feet tall with six arc lamps that illuminated the city.

From New York Times

So when Priya and me turned our heads, we looked down at the smoky twilit water fuming and roiling phosphorescent white under electric arc lamps, like it was picked out in radium paint.

From The Verge