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Henry's law

noun, Thermodynamics
1.
the principle that at a constant temperature the concentration of a gas dissolved in a fluid with which it does not combine chemically is almost directly proportional to the partial pressure of the gas at the surface of the fluid.
Compare partial pressure.
Origin
1885-1890
1885-90; named after William Henry (1774-1836), English chemist who devised it
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Henry's law

Henry's law

noun
1.
(chem) the principle that the amount of a gas dissolved at equilibrium in a given quantity of a liquid is proportional to the pressure of the gas in contact with the liquid
Word Origin
C19: named after William Henry (1774–1836), English chemist
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
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Henry's law in Medicine

Henry's law Hen·ry's law (hěn'rēz)
n.
The principle that at equilibrium the amount of gas dissolved in a given volume of liquid is directly proportional to the partial pressure of that gas in the gas phase.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for Henry's law

statement that the weight of a gas dissolved by a liquid is proportional to the pressure of the gas upon the liquid. The law, which was first formulated in 1803 by the English physician and chemist William Henry, holds only for dilute solutions and low gas pressures.

Learn more about Henry's law with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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