perturb

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• February 15. 2013 from wordnet.princeton.edu

  perturb — verb — english

  disturb in mind or make uneasy or cause to be worried or alarmed; "She was rather perturbed by the news that her father was seriously ill"

• March 22. 2016 from wordnet.princeton.edu

  perturb — verb — english

  disturb or interfere with the usual path of an electron or atom; "The electrons were perturbed by the passing ion"

• March 22. 2016 from wordnet.princeton.edu

  perturb — verb — english

  cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull; "The orbits of these stars were perturbed by the passings of a comet"

• March 22. 2016 from wordnet.princeton.edu

  perturb — verb — english

  throw into great confusion or disorder; "Fundamentalists threaten to perturb the social order"