Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

Le Chatelier's principle

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

Medical Definition of Le Chatelier's principle

  1. :  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



Biographical Note for le chatelier's principle

Le Cha·te·lier \lə-shȧt-əl-yā\ Henry–Louis (1850–1936), French chemist. A professor of chemistry, Le Chatelier was a noted authority on metallurgy, cements, glasses, fuels, and explosives. He first formulated what is now known as Le Chatelier's principle in 1884. His principle made possible the predicting of the effect a change of conditions will have on chemical reaction, and it proved to be invaluable to the chemical industry for the development of the most efficient chemical processes.


Seen and Heard

What made you want to look up Le Chatelier's principle? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

duvet spindrift pince-nez kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ