Wind shear, a difference in wind speed or direction between two wind currents in the atmosphere

Shear strength (soil), the shear strength of soil under loading

Cosmic shear, an effect of distortion of image of distant galaxies due to deflection of light by matter, as predicted by general relativity (see also weak lensing and gravitational lens)

Shear (geology), a form of fault in rocks

Sheep shearing, the process of removing the wool from a sheep

Skin, specifically, the tearing and splitting of the layers

Bias (textile), in clothing design, fabric may be cut on the shear

Shearing interferometer, in optics, a simple and very common means to check the collimation of beams by observing interference

Guillotine (metalwork), also called a shear, a machine used to cut sheet metal

Shearing (physics), the deformation of a material substance in which parallel internal surfaces slide past one another

Simple shear, a special case of deformation of a fluid

Shearing in computer graphics, more commonly called Page tearing.

Shear wall, in structural engineering

Shear rate, a gradient of velocity in a flowing material

Shear line (locksmithing), where the inner cylinder ends and the outer cylinder begins in a cylinder lock

the Society for Historians of the Early American Republic, dealing with United States History 1775-1861.

Shear mapping, a particular type of mapping in linear algebra, also called transvection

Shear stress in physics, refers to a stress state that will cause shearing (see verb) when it exceeds a material's shear strength