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electronic flash

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noun Photography.
  1. a flash lamp, usually attached to a camera or housed within the camera body, that produces brilliant flashes of light by the discharge of current through a gas-filled tube.

Origin of electronic flash

First recorded in 1945–50
Also called flashtube.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for electronic flash

electronic flash

noun
  1. photog an electronic device for producing a very bright flash of light by means of an electric discharge in a gas-filled tube
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