An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Lorentz contraction
  ترنگش ِ لورنتز  
terengeš-e Lorentz
Fr.: contraction de Lorentz  

The decrease in the length of a body moving in the direction of its length as measured by an observer situated in that direction. The shortening factor is [1 - (v/c)2]1/2, where v is the relative velocity and c light speed.

See also: → Lorentz; → contraction.