as a noun may refer to:
- Bias (textile) , in clothing design, fabric may be cut on the shear
- 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
- Guillotine (metalwork) , also called a shear, a machine used to cut sheet metal
- Simple Shear , a special case of deformation of a fluid
- Shear (fluid) , in fluid dynamics, refers to the shear stresses and responses thereto in fluids
- Shear (mathematics) , a particular kind of linear mapping, also called transvections
- Shear Rate , a gradient of velocity in a flowing material
- Shear Stress in physics, refers to a stress state that will cause (see verb) when it exceeds a material's Shear Strength
- Shear Strength (soil) , the shear strength of soil under loading
- Shear Line (locksmithing) , where the inner cylinder ends and the outer cylinder begins in a cylinder lock
- Shear Line (meteorology) , an area of wind shear
- Wind Shear , a difference in wind speed or direction between two wind currents in the atmosphere
- Shear Wall , in structural engineering
as a verb or '''shearing''' may refer to
- Sheep Shearing , the process of removing the wool from a sheep
- Shearing Interferometer , in optics, a simple and very common means to check the collimation of beams by observing interference
- Shearing (physics) , the deformation of a material substance in which parallel internal surfaces slide past one another
- Skin , specifically, the tearing and splitting of the layers
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