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

Words nearby bulk modulus

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

Scientific definitions for bulk modulus

bulk modulus
[ bŭlk ]

See under modulus of elasticity.