discharge lamp

noun

1. a lamp in which light is produced by an electric discharge in a gas-filled glass enclosure.

Word History and Origins

Origin of discharge lamp¹

First recorded in 1935–40

Example Sentences

They set the temperature to -263 degrees Celsius and attached two deuterium discharge lamps to the chamber to cause the chemical reactions.

From Fox News

High-tech headlights such as high-intensity discharge lamps don’t necessarily perform better.

From Seattle Times