Shear may refer to:

Textile production

Animal shearing Wool is the textile fiber obtained from sheep and other mammals, especially goat, goats, rabbits, and camelids. The term may also refer to inorganic materials, such as mineral wool and glass wool, that have some properties similar to animal w ...

, the collection of wool from various species **

Sheep shearing Sheep shearing is the process by which the Wool, woollen fleece of a sheep is cut off. The person who removes the sheep's wool is called a ''Sheep shearer, shearer''. Typically each adult sheep is shorn once each year (depending upon dialect, ...

*The removal of nap during wool cloth production *

Scissors Scissors are hand-operated shearing tools. A pair of scissors consists of a pair of blades pivoted so that the sharpened edges slide against each other when the handles (bows) opposite to the pivot are closed. Scissors are used for cutting var ...

, a hand-operated cutting equipment

Science and technology

Engineering

Shear strength (soil) Shear strength is a term used in soil mechanics to describe the magnitude of the shear stress that a soil can sustain. The shear resistance of soil is a result of friction and interlocking of particles, and possibly cementation or bonding of par ...

, the shear strength of soil under loading *

Shear line (locksmithing) This is a glossary of locksmithing terms. Glossary References External links

{{Locksmithing Wikipedia glossaries, Locksmithing Locksmithing Wikipedia glossarie ...

, where the inner cylinder ends and the outer cylinder begins in a cylinder lock *

Shearing (manufacturing) Shearing, also known as die cutting, is a process that cuts stock without the formation of chips or the use of burning or melting. Strictly speaking, if the cutting blades are straight the process is called shearing; if the cutting blades are curve ...

, a metalworking process which cuts stock without the formation of chips or the use of burning or melting * Shear (sheet metal), various tools to shear sheet metal * Board shear, in bookbinding, a tool to cut board or paper *

Shear pin A shear pin is a mechanical detail designed to allow a specific outcome to occur once a predetermined force is applied. It can either function as a safeguard designed to break to protect other parts, or as a conditional operator that will not al ...

, in machinery, such as a plough, designed to shear (break) when a certain force is exceeded, to protect other components of the machine. * Shearing interferometer, in optics, a simple and very common means to check the collimation of beams by observing interference *Shearing in computer graphics, more commonly called

screen tearing Screen tearing is a visual artifact in video display where a display device shows information from multiple frames in a single screen draw. The artifact occurs when the video feed to the device is not synchronized with the display's refresh ra ...

Shear wall A shear wall is an element of a structural engineering, structurally engineered system that is designed to resist in-Plane (mathematics), plane lateral forces, typically wind and earthquake, seismic loads. A shear wall resists loads parallel to ...

, a wall composed of braced panels to counter the effects of lateral load acting on a structure * Shear forming, different from conventional metal spinning in that a reduction of the wall thickness is induced

Mathematics/astronomy

* 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

gravitational lens A gravitational lens is matter, such as a galaxy cluster, cluster of galaxies or a point particle, that bends light from a distant source as it travels toward an observer. The amount of gravitational lensing is described by Albert Einstein's Ge ...

) *

Shear mapping In plane geometry, a shear mapping is an affine transformation that displaces each point in a fixed direction by an amount proportional to its signed distance function, signed distance from a given straight line, line parallel (geometry), paral ...

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

Shear matrix Shear may refer to: Textile production *Animal shearing, the collection of wool from various species **Sheep shearing *The removal of Nap (textile), nap during wool cloth production *Scissors, a hand-operated cutting equipment Science and techno ...

in geometry, a linear transformation shearing a space

Solid materials

Shear (geology) sinistral shear sense'', Starlight Pit, Fortnum Gold Mine, Western Australia In geology, shear is the response of a rock to deformation usually by compressive stress and forms particular textures. Shear can be homogeneous or non-homogeneous, ...

, a form of fault in rocks *

Shear stress Shear stress (often denoted by , Greek alphabet, Greek: tau) is the component of stress (physics), stress coplanar with a material cross section. It arises from the shear force, the component of force vector parallel to the material cross secti ...

in physics, refers to a stress state that will cause shearing when it exceeds a material's shear strength *

Shearing (physics) In continuum mechanics, shearing refers to the occurrence of a shear strain, which is a deformation of a material substance in which parallel internal surfaces slide past one another. It is induced by a shear stress in the material. Shear st ...

, the deformation of a material substance in which parallel internal surfaces slide past one another *

Shear strength In engineering, shear strength is the strength of a material or component against the type of yield or structural failure when the material or component fails in shear. A shear load is a force that tends to produce a sliding failure on a mater ...

Wind/fluids

Simple shear Simple shear is a deformation in which parallel planes in a material remain parallel and maintain a constant distance, while translating relative to each other. In fluid mechanics In fluid mechanics, simple shear is a special case of deforma ...

, a special case of deformation of a fluid *

Shear (fluid) Shear stress (often denoted by , Greek alphabet, Greek: tau) is the component of stress (physics), stress coplanar with a material cross section. It arises from the shear force, the component of force vector parallel to the material cross secti ...

, in fluid dynamics, refers to the shear stresses and responses thereto in fluids *

Shear rate In physics, mechanics and other areas of science, shear rate is the rate at which a progressive shear strain is applied to some material, causing shearing to the material. Shear rate is a measure of how the velocity changes with distance. Simple ...

, a gradient of velocity in a flowing material *

Shear line (meteorology) Surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground-based weather stations. Weather maps are created by plotting or tr ...

, an area of wind shear *

Wind shear Wind shear (; also written windshear), sometimes referred to as wind gradient, is a difference in wind speed and/or direction over a relatively short distance in the atmosphere. Atmospheric wind shear is normally described as either vertical ...

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

Surnames

Shear (surname) Shear is a surname. Notable people with the surname include: * Barry Shear (1923–1979), American film director and producer * Byron D. Shear (1869–1929), American politician * Claudia Shear (born 1962), American actress and playwright * Corneli ...

Shearing (surname) Shearing is a surname. Notable people with the surname include: * Dinah Shearing (1928–2021), Australian actress *George Shearing Sir George Albert Shearing (13 August 191914 February 2011) was a British jazz pianist who for many years le ...

Other

Shear (comics) Shear (Walther Feyzioglu) is a superhero appearing in American comic books published by Marvel Comics. The character is depicted as a member of the Strikeforce: Morituri (a series in its own mostly self-contained continuity). The character was cr ...

, a Marvel Comics superhero