arc light
noun
Also arc lamp. a lamp in which the light source is a high-intensity electric arc either between carbon rods in air or between metal electrodes in a xenon gas atmosphere enclosed in a quartz bulb.
the light produced by such a lamp.
QUIZZES
HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
anchorite
Compare carbon arc, xenon arc.
Origin of arc light
An Americanism dating back to 1875–80
Words nearby arc light
arc cotangent, arc csc, arc de triomphe, arc furnace, arc lamp, arc light, arc of lowitz, arc sec, arc secant, arc second, arc sine
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for arc light
British Dictionary definitions for arc light
arc light
noun
a light source in which an arc between two electrodes, usually carbon, produces intense white illuminationAlso called: arc lamp
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012