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.

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 (d V/V ) in a specified reference state (d V/V is the bulk strain ) K

bulk modulus

/ bŭlk /

1. See under modulus of elasticity

Word History and Origins

Origin of bulk modulus¹

First recorded in 1905–10

Example Sentences

The most important of these are the “modulus of compression” (or “bulk modulus”) and the “rigidity” (or “modulus of shear”).

From Project Gutenberg

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

From Project Gutenberg