modulus of elasticity
n
(Physics / General Physics) the ratio of the stress applied to a body or substance to the resulting strain within the elastic limit Also called elastic modulus See also Young's modulus, bulk modulus, modulus of rigidity
| modulus of elasticity The ratio of the stress applied to a body to the strain that results in the body in response to it. The modulus of elasticity of a material is a measure of its stiffness and for most materials remains constant over a range of stress.  The ratio of the longitudinal strain to the longitudinal stress is called Young's modulus. The ratio of the stress on the body to the body's fractional decrease in volume is the bulk modulus. The ratio of the tangential force per unit area to the angular deformation in radians is the shear modulus. See also Hooke's law. |
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| Noun | 1. | modulus of elasticity - (physics) the ratio of the applied stress to the change in shape of an elastic body natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics" modulus - (physics) a coefficient that expresses how much of a specified property is possessed by a specified substance bulk modulus - the ratio of the change in pressure acting on a volume to the fractional change in volume modulus of rigidity - the coefficient of elasticity for a shearing force Young's modulus - a coefficient of elasticity applicable to the stretching of a wire |
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