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modulus of elasticity

noun, Physics.
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.
Origin of modulus of elasticity
First recorded in 1800-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for modulus of elasticity

modulus of elasticity

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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modulus of elasticity in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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