carbon arc

noun

an electric arc between two carbon electrodes, used mainly for lighting, as in an arc light for a motion-picture projector, or for intense heating, as in the cutting and welding of metals.

carbon arc

1. an electric arc produced between two carbon electrodes, formerly used as a light source
2. ( as modifier )
  carbon-arc light
1. an electric arc produced between a carbon electrode and material to be welded
2. ( as modifier )
  carbon-arc welding

First recorded in 1905–10

We utilize a carbon arc lamp, which has considerable ultraviolet light in it.

Great improvements have also been made in inclined carbon arc lamps.

Wastes removed would be destroyed by passage through a carbon arc after innumerable previous sterilizing processes.

The light, once used for night purse seine fishing, was powered by a carbon arc.

The luminous output of such lamps is much greater than that of an ordinary carbon arc using the same amount of electrical energy.

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