Meaning of PERTURBATION in English

PERTURBATION

transcription, транскрипция: [ ˌpər-tər-ˈbā-shən, ˌpər-ˌtər- ]

noun

Date: 14th century

1. : the action of perturbing : the state of being perturbed

2. : a disturbance of motion, course, arrangement, or state of equilibrium ; especially : a disturbance of the regular and usually elliptical course of motion of a celestial body that is produced by some force additional to that which causes its regular motion

• per·tur·ba·tion·al -shnəl, -shə-n ə l adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.