• synonyms

Gay-Lussac's law

noun Thermodynamics.
  1. the principle that, for relatively low pressures, the density of an ideal gas at constant pressure varies inversely with the absolute temperature of the gas.
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Compare Boyle's law.

Origin of Gay-Lussac's law

named after J. L. Gay-Lussac
Also called Charles' law.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for gay-lussac's law

Gay-Lussac's law

  1. the principle that gases react together in volumes (measured at the same temperature and pressure) that bear a simple ratio to each other and to the gaseous products
  2. another name for Charles' law
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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