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bulk modulus

noun, Physics.
1.
a coefficient of elasticity of a substance, expressing the ratio between a pressure that acts to change the volume of the substance and the fractional change in volume produced.
Origin
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for bulk moduli

bulk modulus

noun
1.
a coefficient of elasticity of a substance equal to minus the ratio of the applied stress (p) to the resulting fractional change in volume (dV/V) in a specified reference state (dV/V is the bulk strain) K
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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bulk moduli in Science
bulk modulus
  (bŭlk)   
See under modulus of elasticity.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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