shear stress

shear stress

noun Physics.
the external force acting on an object or surface parallel to the slope or plane in which it lies; the stress tending to produce shear.
Also, shearing stress.
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Collins
World English Dictionary
shear stress
 
n
the form of stress in a body, part, etc, that tends to produce cutting rather than stretching or bending

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
shear stress  
A form of stress that subjects an object to which force is applied to skew, tending to cause shear strain. For example, shear stress on a block of wood would arise by fixing one end and applying force to this other; this would tend to change the block's shape from a rectangle to a parallelogram. See also strain.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

shear stress

force tending to cause deformation of a material by slippage along a plane or planes parallel to the imposed stress. The resultant shear is of great importance in nature, being intimately related to the downslope movement of earth materials and to earthquakes. Shear stress may occur in solids or liquids; in the latter it is related to fluid viscosity.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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