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xenon arc

noun
1.
an electric arc between two metal electrodes enclosed in a quartz bulb and contained in a xenon atmosphere, used mainly as a high-intensity light source in motion-picture projectors and studio spotlights.
Compare arc light.
Origin
1970-1975
1970-75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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12
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