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.

---

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 )

---

bulk modulus Scientific  

/ bŭlk /

1. See under modulus of elasticity

---

Etymology

Origin of bulk modulus

First recorded in 1905–10

Example Sentences

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

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 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