PERTURBATION


Meaning of PERTURBATION in English

( n. )

A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.