"shear stress." YourDictionary, n.d. Web. 20 January 2019. <https://www.yourdictionary.com/shear-stress>.
shear stress. (n.d.). Retrieved January 20th, 2019, from https://www.yourdictionary.com/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.