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modulus of elasticity
noun
- any of several coefficients of elasticity of a body, expressing the ratio between a stress or force per unit area that acts to deform the body and the corresponding fractional deformation caused by the stress.
modulus of elasticity
noun
- the ratio of the stress applied to a body or substance to the resulting strain within the elastic limit Also calledelastic 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
Word History and Origins
Origin of modulus of elasticity1
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Example Sentences
Young's contributions to this subject will be chiefly remembered in connection with his "modulus of elasticity."
Bone has a modulus of elasticity between 10 and 30 GPa, while titanium, the material in conventional implants, has a modulus of approximately 100 GPa.
An exact computation of the effect is not possible without a knowledge of the earth’s modulus of elasticity.
Owing to the yielding of joints when a beam is first loaded a smaller modulus of elasticity should be taken than for a solid bar.
The modulus of elasticity of concrete is so variable that any formulas containing it and pretending to determine the stress in the concrete are unreliable, but the author's proposed method is equally so.
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