Avogadro's law


noun Chemistry.

the principle that equal volumes of all gases at the same temperature and pressure contain the same number of molecules. Thus, the molar volume of all ideal gases at 0° C and a pressure of 1 atm. is 22.4 liters.

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Origin of Avogadro's law

First recorded in 1870–75; named after A. Avogadro
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for avogadro's law

Avogadro's law

Avogadro's hypothesis


noun

the principle that equal volumes of all gases contain the same number of molecules at the same temperature and pressure
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

Medical definitions for avogadro's law

Avogadro's law

n.

The principle that equal volumes of all gases under identical conditions of pressure and temperature contain the same number of molecules.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for avogadro's law

Avogadro's law
[ ä′və-gädrōz ]

The principle that equal volumes of all gases under identical conditions of pressure and temperature contain the same number of molecules. Avogadro's law is true only for ideal gases (gases in which there is no interaction between the individual molecules).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.