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darcy

[dahr-see] /ˈdɑr si/
noun, plural darcies.
1.
Physics. a unit of permeability, representing the flow, at 1 atmosphere, of 1 cubic centimeter of fluid with 1 centipoise viscosity in 1 second through a 1-square-centimeter cross section of porous medium 1 centimeter long.
Origin
after Henri-Philibert-Gaspard Darcy (1803-58), French engineer

Darcy

[dahr-see] /ˈdɑr si/
noun
1.
a male given name.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for darcy

darcy

/ˈdɑːsɪ/
noun
1.
(geology) a unit expressing the permeability coefficient of rock D
Word Origin
named after Henri-Philibert-Gaspard Darcy (1803–58), French hydraulic engineer

Darcy

/ˈdɑːsɪ/
noun
1.
(James) Les(lie). 1895–1917, Australian boxer and folk hero, who lost only five professional fights and was never knocked out, considered a martyr after his death from septicaemia during a tour of the United States
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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darcy in Science
darcy
  (där'sē')   
A unit used to measure the permeability of porous substances such as soil. One darcy is equal to the passage of 1 cubic centimeter of fluid having a viscosity of 1 centipoise for 1 second under the pressure of 1 atmosphere through a medium having a volume of 1 cubic centimeter.
Darcy, , Henry Philibert Gaspard 1803-1858.  
British geologist who formulated the law (now named for him) governing the rate at which a fluid flows through a permeable medium. The darcy unit, used to measure the permeability of porous substances, is also named after him.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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