Definition, Meaning & Synonyms

butterfly effect

noun

/ˈbʌtərˌflaɪ ɪˈfɛkt/

Definition

The butterfly effect refers to the concept that a small change in one state of a deterministic nonlinear system can result in large differences in a later state.

Examples

The butterfly effect in weather forecasting implies that tiny changes can drastically alter the predicted outcome.
In his chaotic theory, the scientist outlined how the butterfly effect could influence ecosystems.
Her decision to change her career path had a butterfly effect that transformed the lives of those around her.

Meaning

This phenomenon suggests that minor actions or events can lead to significant and unforeseen consequences in complex systems, often illustrated by the metaphor of a butterfly flapping its wings and causing a distant tornado.