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Young's modulus

noun, Physics.
a coefficient of elasticity of a substance, expressing the ratio between a stress that acts to change the length of a body and the fractional change in length caused by this force.
Origin of Young's modulus
1860-65; named after Thomas Young, who derived it Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for Young's modulus

Young's modulus

a modulus of elasticity, applicable to the stretching of a wire etc, equal to the ratio of the applied load per unit area of cross section to the increase in length per unit length E
Word Origin
C19: named after Thomas Young
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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Young's modulus in Science
Young's modulus
See under modulus of elasticity.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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