Clayden effect

noun
Clay·​den effect | \ ˈklādᵊn- \

Definition of Clayden effect

: 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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History and Etymology for Clayden effect

after Arthur W. Clayden †1944 English meteorologist

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“Clayden effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Clayden%20effect. Accessed 4 Mar. 2021.

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