bulk modulus

American  

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.

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bulk modulus British  

noun

1.  K.  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 )

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bulk modulus Scientific  

/ bŭlk /

1. See under modulus of elasticity

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Etymology

Origin of bulk modulus

First recorded in 1905–10

Example Sentences

The modulus is obtained by dividing the stress by the strain; if this is done with the above example, the ratio will give the bulk modulus.

From Project Gutenberg