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shot noise

noun

Electronics. See under shot effect.

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Words nearby shot noise

shot hole, shot in the arm, shot in the arm, a, shot in the dark, shot metal, shot noise, shot on goal, shot put, shot to hell, shot tower, shot up

Origin of shot noise

First recorded in 1975–80

Definition for shot noise (2 of 2)

shot effect

noun Electronics.

random fluctuations in the emission of electrons from a hot cathode, causing a hissing or sputtering sound (shot noise) in an audio amplifier and causing snow on a television screen.

Origin of shot effect

translation of German Schroteffekt (1918), equivalent to Schrot small shot, buckshot + Effekt effect
Also called Schottky noise.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for shot noise

shot noise

shot effect

noun

the inherent electronic noise arising in an electric current because of the discontinuous nature of conduction by electronsAlso called: Schottky noise (ˈʃɒtkɪ)
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