An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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orbital
  ۱) مداری؛ ۲) مدارال  
1) madâri; 2) madârâl
Fr.: 1) orbital; 2) orbitale  
  1. Of or relating to an orbit.
  2. A wave function that describes the state of an electron with a given energy (n, l, and ml quantum numbers) in an atom (atomic orbital) or in a molecule (molecular orbital).

See also: Orbital, from → orbit + → -al.