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Young's modulus

noun

, Physics.
  1. 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.

Young's modulus

noun

  1. 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
“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

Young's modulus

/ yŭngz /

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Word History and Origins

Origin of Young's modulus1

1860–65; named after Thomas Young, who derived it
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Word History and Origins

Origin of Young's modulus1

C19: named after Thomas Young

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