Le Chatelier's principle

noun
Le Cha·te·lier's principle | \lə-ˌshät-əl-ˈyāz- \

Medical Definition of Le Chatelier's principle 

: a statement in physics and chemistry: if the equilibrium of a system is disturbed by a change in one or more of the determining factors (as temperature, pressure, or concentration) the system tends to adjust itself to a new equilibrium by counteracting as far as possible the effect of the change

called also Le Chatelier's law

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