Clayden effect

noun Clay·den effect \ˈklādən-\

Definition of Clayden effect

  1. :  partial desensitization of the emulsion layer of a photographic material by an initial high-intensity exposure of very short duration so that a later exposure of lower intensity and longer duration produces less effect than expected from the combined exposures, sometimes resulting in reversal of an image — compare dark lightning

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Origin and Etymology of clayden effect

after Arthur W. Clayden †1944 English meteorologist

Seen and Heard

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to criticize severely

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