Definition of Le Chatelier's principle in English:

Le Chatelier's principle

Syllabification: Le Cha·te·lier's prin·ci·ple
Pronunciation: /lə ˈSHädlˌyāz ˌprinsəpəl
 
/
Chemistry
A principle stating that if a constraint (such as a change in pressure, temperature, or concentration of a reactant) is applied to a system in equilibrium, the equilibrium will shift so as to tend to counteract the effect of the constraint.
More example sentences
  • The three ways that Le Chatelier's principle says you can affect the outcome of the equilibrium are as follows.
  • Today's students’ texts generally mention Le Chatelier's principle, but tend to play down its significance.
  • Only the heat of solution at saturation is relevant when applying Le Chatelier's principle to explain temperature effects on solubility.

Origin

early 20th century: named after Henri le Chatelier (1850–1936), French chemist.

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