An Etymological Dictionary of Astronomy and Astrophysics

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principle of equivalence
  پَروز ِ هموگ‌ارزی  
parvaz-e hamug-arzi
Fr.: principe d'équivalence  

In → general relativity the principle
which states that in the immediate proximity of an → accelerating system the acceleration is physically equivalent to → gravitational force.
This principle also implies the equivalence of → gravitational mass and → inertial mass. Same as the → equivalence principle. See also → Einstein’s elevator.

See also: → principle; → equivalence.