bulk modulus

noun Physics.

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.

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Origin of bulk modulus

First recorded in 1905–10

Words nearby bulk modulus

bulkhead, bulkhead deck, bulkheading, bulking, bulk mail, bulk modulus, bulk up, bulky, bull, bulla, bullace
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for bulk modulus

bulk modulus

noun

a coefficient of elasticity of a substance equal to minus the ratio of the applied stress (p) to the resulting fractional change in volume (d V/V) in a specified reference state (d V/V is the bulk strain)Symbol: 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

Scientific definitions for bulk modulus

bulk modulus
[ bŭlk ]

See under modulus of elasticity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.