- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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 lengthSymbol: E
C19: named after Thomas Young
- See under modulus of elasticity.