arc light
nounEtymology From arc + light.
1
A lamp that produces light by generating an electric arc across an enclosed gas.
- With one, last desperate lurch, the lorry cleared the tracks, disappearing out of the arclights, into the darkness; and then there was silence...1987, Martin Gilbert, The Holocaust:
- All five had seen the four wooden targets, thirty feet above their heads, holding the great submarine in place, stark against the glare of the arclight...1998, Patrick Robinson, Nimitz Class:
1 more example
- In 1809 Humphry Davy had made the first arclight by attaching a charcoal rod to each terminal of a Volta battery...2000, James Burke, The Knowledge Web: