Strain may refer to:
Science and technology
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Strain (biology)
In biology, a strain is a genetic variant, a subtype or a culture within a biological species. Strains are often seen as inherently artificial concepts, characterized by a specific intent for genetic isolation. This is most easily observed in mic ...
, variants of biological organisms
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Strain (chemistry)
In chemistry, a molecule experiences strain when its chemical structure undergoes some Stress (mechanics), stress which raises its internal energy in comparison to a strain-free reference Chemical compound, compound. The internal energy of a mole ...
, a chemical stress of a molecule
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Strain (general relativity), measure of spacetime stretching in linearized gravity
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Strain (injury)
A strain is an acute or chronic soft tissue injury that occurs to a muscle, tendon, or both. The equivalent injury to a ligament is a sprain. Generally, the muscle or tendon overstretches and partially tears, under more physical stress than ...
, an injury to a muscle
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Strain (mechanics)
In mechanics, strain is defined as relative deformation, compared to a position configuration. Different equivalent choices may be made for the expression of a strain field depending on whether it is defined with respect to the initial or the ...
, a measure of deformation
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Filtration
Filtration is a physical separation process that separates solid matter and fluid from a mixture using a ''filter medium'' that has a complex structure through which only the fluid can pass. Solid particles that cannot pass through the filte ...
, separating fluids from solids by passing through a filter
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Percolation
In physics, chemistry, and materials science, percolation () refers to the movement and filtration, filtering of fluids through porous materials. It is described by Darcy's law. Broader applications have since been developed that cover connecti ...
, of fluids through porous materials
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Psychological stress
In psychology, stress is a feeling of emotional strain and pressure. Stress is a form of psychological and mental discomfort. Small amounts of stress may be beneficial, as it can improve athletic performance, motivation and reaction to the envi ...
Other uses
* straining, in cooking, by a strainer or
sieve
A sieve (), fine mesh strainer, or sift is a tool used for separating wanted elements from unwanted material or for controlling the particle size distribution of a sample, using a screen such as a woven mesh or net or perforated sheet m ...
.
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Strain, a term in contract bridge
Proper names
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Strain (surname) Strain is a surname. Notable people with the surname include:
*Christina Strain (born 1981), comic book colorist
*Isaac Strain (1821–1857), American/Canadian explorer
* John Paul Strain (born 1955), American illustrator and artist
*Julie Strain ( ...
Arts and media
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''Strain'' (manga), 1996
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Strain (music)
A strain is a series of musical phrases that create a distinct melody of a piece. A strain is often referred to as a "section" of a musical piece. Often, a strain is repeated for the sake of instilling the melody clearly. This is so in ragtime ...
, phrases of a piece
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''Strain'' (album), 2004, by Flesh Field
* ''
Strain: Strategic Armored Infantry'', a 2006 anime
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''Strain'' (film), a 2020 Nigerian drama
Places
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Strain, Arkansas
Strain is an unincorporated community in Richland Township, Washington County, Arkansas
Arkansas ( ) is a landlocked state in the West South Central region of the Southern United States. It borders Missouri to the north, Tennessee ...
, US, an unincorporated community
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Strain, Missouri
Strain is an unincorporated community in Franklin County, in the U.S. state of Missouri
Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the Unite ...
, US, an unincorporated community
See also
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Overwork
Overwork, also known as excessive work or work overload, is an occupational condition characterized by working excessively, frequently at the expense of the worker's physical and mental health. It includes working beyond one's capacity, leading t ...
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S Train (disambiguation) S-train is a type of suburban railway system.
S Train and similar names may also refer to:
*S-train (Copenhagen), an urban rapid transit network in Denmark
*Mestský vlak Bratislava (marked S train but called Mestský vlak or just vlak), an urban r ...
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Strain theory (disambiguation) Strain theory can refer to;
In chemistry:
*Baeyer strain theory
In social sciences:
*Strain theory (sociology), the theory that social structures within society may pressure citizens to commit crime
*Value-added theory, the assumption that certain ...
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Strainer
A sieve (), fine mesh strainer, or sift is a tool used for separating wanted elements from unwanted material or for controlling the particle size distribution of a sample, using a screen such as a woven mesh or net or perforated sheet ma ...
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The Strain (disambiguation) ''The Strain'' is a 2009 vampire horror novel by Guillermo del Toro and Chuck Hogan.
The Strain may also refer to:
* ''The Strain'' (TV series) based on the novel
*'' The Strain Comic Book Series'' by Dark Horse Comics
Dark Horse Comics is a ...
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Stressor
A stressor is a chemical or biological agent, environmental condition, external stimulus or an event seen as causing stress to an organism. Psychologically speaking, a stressor can be events or environments that individuals might consider dema ...
{{disambiguation, geo