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Dalton's law

American  

noun

Physics, Chemistry.

  1. the law that the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the gases of the mixture.

Dalton's law British  
/ ˈdɔːltənz /

noun

  1. Also called: Dalton's law of partial pressures.  the principle that the pressure exerted by a mixture of gases in a fixed volume is equal to the sum of the pressures that each gas would exert if it occupied the whole volume

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Dalton's law

Named after J. Dalton

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.