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Le Châtelier principle

[luh shaht-l-yey]
noun Physics.
  1. the law that if a constraint is applied to a system in equilibrium, the system adjusts to a new equilibrium that tends to counteract the constraint.
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Origin of Le Châtelier principle

First recorded in 1910–15; see origin at lechatelierite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018