Contraction may refer to:
Linguistics
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Contraction (grammar)
A contraction is a shortened version of the spoken and written forms of a word, syllable, or word group, created by omission of internal letters and sounds.
In linguistic analysis, contractions should not be confused with crasis, abbreviation ...
, a shortened word
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Poetic contraction, omission of letters for poetic reasons
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Elision
In linguistics, an elision or deletion is the omission of one or more sounds (such as a vowel, a consonant, or a whole syllable) in a word or phrase. However, these terms are also used to refer more narrowly to cases where two words are run toget ...
, omission of sounds
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Syncope (phonology)
In phonology, syncope (; from grc, , , cutting up) is the loss of one or more sounds from the interior of a word, especially the loss of an unstressed vowel. It is found in both synchronic and diachronic analyses of languages. Its opposite, whe ...
, omission of sounds in a word
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Synalepha, merged syllables
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Synaeresis, combined vowels
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Crasis, merged vowels or diphthongs
Mathematics and logic
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Contraction (operator theory), in operator theory, state of a bounded operator between normed vector spaces after suitable scaling
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Contraction hierarchies In computer science, the method of contraction hierarchies is a speed-up technique for finding the shortest-path in a graph. The most intuitive applications are car-navigation systems: a user wants to drive from A to B using the quickest possibl ...
, in applied mathematics, a technique to speed up shortest-path routing
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Contraction mapping, a type of function on a metric space
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Edge contraction or vertex contraction, graph operations used in graph theory
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Tensor contraction, an operation on one or more tensors that arises from the natural pairing of a finite-dimensional vector space and its dual
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Left contraction and right contraction of multivectors in a geometric algebra, extensions of the inner product
* One of the rules of
conditional independence, in probability
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Contraction (logic), a structural rule in proof theory
Medicine
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Muscle contraction, the physiological condition of a muscle which generates tension (traction) at its origin and insertion
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Uterine contraction, contraction of the uterus, such as during childbirth
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Contractility, the intrinsic ability of the heart/myocardium to contract
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Wound contraction
Wound healing refers to a living organism's replacement of destroyed or damaged tissue by newly produced tissue.
In undamaged skin, the epidermis (surface, epithelial layer) and dermis (deeper, connective layer) form a protective barrier again ...
, a stage in wound healing
Other uses
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Contraction (economics), a general slowdown in economic activity; the opposite of economic expansion
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Contraction (physics)
Thermal expansion is the tendency of matter to change its shape, area, volume, and density in response to a change in temperature, usually not including phase transitions.
Temperature is a monotonic function of the average molecular kinet ...
, change in the volume of matter in response to a change in temperature
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Lanthanide contraction, the decrease in size of the ionic radius of lanthanide elements with their growing atomic number
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''Contracted'' (film), a 2013 horror thriller film by Eric England and its sequel ''
Contracted: Phase II'' (2015) which directed by Josh Forbes
See also
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Contract (disambiguation)
A contract is a legally binding agreement between at least two parties.
Contract may also refer to:
Film and television Film
* ''The Contract'' (1971 film), an Israeli comedy film
* ''The Contract'' (1972 film) or ''Caliber 9'', an Italian crime ...
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Contraction principle (disambiguation) In mathematics, contraction principle may refer to:
* Contraction principle (large deviations theory), a theorem that states how a large deviation principle on one space "pushes forward" to another space
* Banach contraction principle
In mathema ...
{{disambiguation