shot effect

American  

noun

Electronics.

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

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Etymology

Origin of shot effect

Translation of German Schroteffekt (1918), equivalent to Schrot small shot, buckshot + Effekt effect

Example Sentences

The silk dyes a pale pink while the general effect is that of a fine fawn brown with a reddish shot effect.

From The Dyeing of Woollen Fabrics by Beech, Franklin

She was completing a corner of the under-dress, and she showed him how, to gain the desired shot effect, she had twisted together half-threads of green and blue.

From Lady Cassandra by Vaizey, George de Horne, Mrs.

Or the fibre may be purposely dyed in two different colours in some cases to give the "shot" effect.

From The Dyeing of Woollen Fabrics by Beech, Franklin