An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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exposure
  ۱) اسنهش؛ ۲) نورداد  
1) osneheš; 2) nurdâd
Fr.: pose, exposition  

  1. The act of exposing; the fact or state of being exposed, → expose.

  2. In optics, the total radiant energy incident on a surface per unit area. It is equal to the integral over time of the radiant flux density.

See also: Verbal noun of → expose.