butterfly effect


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butterfly effect

n.
A phenomenon in which a small perturbation in the initial condition of a system results in large changes in later conditions. Such phenomena are common in complex dynamical systems and are studied in chaos theory.

[From the idea that the tiny atmospheric changes caused by the flap of a butterfly's wings can ultimately have major effects on the course of the weather.]

butterfly effect

n
(General Physics) the idea, used in chaos theory, that a very small difference in the initial state of a physical system can make a significant difference to the state at some later time
[C20: from the theory that a butterfly flapping its wings in one part of the world might ultimately cause a hurricane in another part of the world]

but′terfly effect`


n.
a cumulatively large effect that a very small natural force may produce over a period of time.
[1980–85; so called from the notion that the fluttering of a butterfly's wings may set off currents that will grow into a large storm]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.butterfly effect - the phenomenon whereby a small change at one place in a complex system can have large effects elsewhere, e.g., a butterfly flapping its wings in Rio de Janeiro might change the weather in Chicago
consequence, effect, result, upshot, outcome, event, issue - a phenomenon that follows and is caused by some previous phenomenon; "the magnetic effect was greater when the rod was lengthwise"; "his decision had depressing consequences for business"; "he acted very wise after the event"
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A note on that, in relation to things done long ago, and, to an extent, to the butterfly effect also.
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