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modulus of rigidity

noun

, Physics.


modulus of rigidity

noun

  1. a modulus of elasticity equal to the ratio of the tangential force per unit area to the resulting angular deformation G
“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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Word History and Origins

Origin of modulus of rigidity1

First recorded in 1875–80
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Example Sentences

And then he would discourse on the Poisson-Navier theory of isotropic solids, and the impossibility of the fixed relation which that theory imposed between the modulus of rigidity and the modulus of compression; and refer with approval to the series of examples of "perfectly uniform, homogeneous, isotropic solids," which Stokes had shown could be obtained by making jellies of different degrees of stiffness.

It follows that the density of the aether must exceed 10-18, and its elastic modulus must exceed 103, which is only about 10-8 of the modulus of rigidity of glass.

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modulus of elasticitymodus operandi