An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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fundamental constant
  پایای ِ بنیادین  
pâyâ-ye bonyâdin (#)
Fr.: constante fondamentale  

A physical constant that cannot be expressed in terms of other constants of nature, such as the charge of the electron.

See also: → fundamental; → constant.