principle of least action

English

Noun

principle of least action (uncountable)

  1. (physics) also known as the stationary action principle. In complex systems, the tendency for any movement or change to use the least action, and therefore amount of energy possible. This is true on a subatomic level, on the population level (evolution), and on a macro level. Not considered a law of physics because it is not true 100% of the time.
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