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English definition of “exposure”

exposure

noun [C] (PHOTOGRAPH)    /ɪkˈspəʊ.ʒər/ US  /-ˈspoʊ.ʒɚ/
a single photograph on a piece of film , or the amount of time a piece of film is open to the light when making a photograph : There are 24 exposures on this film .Photography
(Definition of exposure noun (PHOTOGRAPH) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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