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), 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), 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)
Arts and media
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''Strain'' (manga), 1996
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Strain (music), 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, US, an unincorporated community
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Strain, Missouri, 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)
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Strain theory (disambiguation)
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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)
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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