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.

Origin of bulk modulus

First recorded in 1905–10

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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

bulk modulus in Science

bulk modulus

[bŭlk]

See under modulus of elasticity.