An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



rest mass
  جرم ِ آرَم  
jerm-e âram
Fr.: masse au repos  

The → inertial mass that an object has when it is at rest relative to an observer.

See also:rest; → mass.