Young's modulusn.

Brit.

/ˌjʌŋz ˈmɒdjᵿləs/,

/ˌjʌŋz ˈmɒdʒᵿləs/, U.S.

/ˌjəŋz ˈmɑdʒələs/

Origin: From a proper name, combined with an English element. Etymons: proper name Young , modulus n.

Etymology: < the genitive of the name of Thomas Young (1773–1829), English physician and physicist, who described the parameter in 1807 (though the concept had been developed by Euler and others in the 18th cent.) + modulus n.

Physics and Mechanics.

A measure of the stiffness or rigidity of an elastic material, defined as the ratio of the stress acting on it to the strain produced; = modulus of elasticity n. at modulus n. 3. Symbol E.

ΘΚΠ

the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [noun] > modules of elasticity

Young's modulus1857

modulus of elasticity1877

1857 J. P. Nichol Cycl. Physical Sci. 226/1 The values of Young's Modulus have been determined experimentally for almost every solid substance of importance.

1865 Proc. Royal Soc. 14 296 The amount of the Young's modulus thus found was, in grammes weight per square centimetre, 1159 × 10⁶ for one copper wire.

1942 Proc. Amer. Acad. Arts & Sci. 74 432/1 The other constants of carboloy were assumed to bear the same ratio to its Young's modulus as the other constants of steel bear to Young's modulus of steel.

1988 H. A. Klein Sci. Measurem. (rev. ed.) xlii. 537 Young's modulus is a measure of the longitudinal force required to produce a particular uniaxial extension (or compression) in a substance. As such, Y is the reciprocal of what could be called the stretchability (or the linear compressibility) of that substance.

2004 M. R. Fisch Liquid Crystals, Laptops & Life x. 178 The Young's modulus of these fibers is similar to that of steel.

This entry has been updated (OED Third Edition, June 2015; most recently modified version published online December 2021).

单词	youngs modulus
释义	Young's modulusn. Brit. /ˌjʌŋz ˈmɒdjᵿləs/, /ˌjʌŋz ˈmɒdʒᵿləs/, U.S. /ˌjəŋz ˈmɑdʒələs/ Origin: From a proper name, combined with an English element. Etymons: proper name Young , modulus n. Etymology: < the genitive of the name of Thomas Young (1773–1829), English physician and physicist, who described the parameter in 1807 (though the concept had been developed by Euler and others in the 18th cent.) + modulus n. Physics and Mechanics. A measure of the stiffness or rigidity of an elastic material, defined as the ratio of the stress acting on it to the strain produced; = modulus of elasticity n. at modulus n. 3. Symbol E. ΘΚΠ the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [noun] > modules of elasticity Young's modulus1857 modulus of elasticity1877 1857 J. P. Nichol Cycl. Physical Sci. 226/1 The values of Young's Modulus have been determined experimentally for almost every solid substance of importance. 1865 Proc. Royal Soc. 14 296 The amount of the Young's modulus thus found was, in grammes weight per square centimetre, 1159 × 10⁶ for one copper wire. 1942 Proc. Amer. Acad. Arts & Sci. 74 432/1 The other constants of carboloy were assumed to bear the same ratio to its Young's modulus as the other constants of steel bear to Young's modulus of steel. 1988 H. A. Klein Sci. Measurem. (rev. ed.) xlii. 537 Young's modulus is a measure of the longitudinal force required to produce a particular uniaxial extension (or compression) in a substance. As such, Y is the reciprocal of what could be called the stretchability (or the linear compressibility) of that substance. 2004 M. R. Fisch Liquid Crystals, Laptops & Life x. 178 The Young's modulus of these fibers is similar to that of steel. This entry has been updated (OED Third Edition, June 2015; most recently modified version published online December 2021). < n.1857
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