ALL meanings of arc light
arc light
A a - countable noun arc light Arc lights are a type of very bright electric light. 3
- noun arc light a light source in which an arc between two electrodes, usually carbon, produces intense white illumination 3
- noun arc light 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. 1
- noun arc light the light produced by such a lamp. 1