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

Calculate the magnitude of the normal force exerted by the juice per square centimeter if its bulk modulus is 1.8×109 N/m2 , assuming the bottle does not break.

From Textbooks • Aug. 12, 2015

The bulk modulus of granite is greater than its shear modulus.

From Textbooks • Aug. 12, 2015

The bulk modulus for gasoline is B = 1.00×109 N/m2 .

From Textbooks • Aug. 12, 2015

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 The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura by Various

The Young's modulus and the bulk modulus can easily be found in terms of λ and μ.

From The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura by Various