Meaning of EXPOSURE in English

n. (foll. by to) 1 the act or condition of exposing or being exposed (to air, cold, danger, etc.). 2 the condition of being exposed to the elements, esp. in severe conditions (died from exposure). 3 the revelation of an identity or fact, esp. when concealed or likely to find disapproval. 4 Photog. a the action of exposing a film etc. to the light. b the duration of this action. c the area of film etc. affected by it. 5 an aspect or outlook (has a fine southern exposure). exposure meter Photog. a device for measuring the strength of the light to determine the correct duration of exposure.

[ EXPOSE after enclosure etc. ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.