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Noun: butterfly effect
  1. 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

Type of: consequence, effect, event, issue, outcome, result, upshot

Encyclopedia: Butterfly effect

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butterfat
Butterfield
butterfingered
butterfingers
butterfish
butterflower
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butterfly
butterfly bush
butterfly collector
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butterfly fish
butterfly flower
butterfly nut
butterfly orchid
butterfly orchis
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butterfly plant
butterfly ray
butterfly stroke
butterfly valve