An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : subtraction
sky subtraction
  زیرکرشش ِ آسمان   
zirkaršeš-e âsmân

Fr.: soustraction de ciel   

The act or instance of removing the contribution of non-related, intervening foreground light to the object.

→ sky; → subtraction.

subtraction
  زیرکرشش   
zirkaršeš

Fr.: soustraction   

The operation of finding the difference between two numbers or quantities.

Verbal noun of → subtract.