BUTTERFLY EFFECT


Meaning of BUTTERFLY EFFECT in English

noun

the idea that a very small change in one part of a system can have large effects in other parts

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WORD ORIGIN

1980s: from the notion in chaos theory that a butterfly fluttering in Rio de Janeiro could change the weather in Chicago.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.