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Charles' law

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noun Thermodynamics.
  1. Gay-Lussac's law.
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Origin of Charles' law

named after J. A. C. Charles (1746–1823), French physicist, who stated it
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for charles' law

Charles' law

noun
  1. the principle that all gases expand equally for the same rise of temperature if they are held at constant pressure: also that the pressures of all gases increase equally for the same rise of temperature if they are held at constant volume. The law is now known to be only true for ideal gasesAlso called: Gay-Lussac's law
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Word Origin

C18: named after Jacques A. C. Charles (1746–1823), French physicist who first formulated it
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