An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



observation
  نپاهش، نپاه  
nepâheš, nepâh
Fr.: observation  
  1. Act or instance of observing; → observe.

  2. Careful watching of an astronomical object or event using appropriate instruments, usually for collecting data.

See also: Verbal noun of → observe.