Chain (disambiguation)
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In most meanings chain is a sequence of connected links of some kind.
Chain may refer to:
- A physical, literal chain
- Chain (length), unit of length
- Chain Home and Chain Home Low, early British RDF (US radar) systems of the WWII era
- Gunter's chain, a unit of measurement
- Chain tool, small mechanical device used to "break" a bicycle chain in such a way that it could be mended with the same tool
- Mail (armour) (or "chainmail"), a type of armor made of interlocking chain links
- Catenary (or "chain"), the shape of a hanging flexible cable when supported at its ends and acted upon by a uniform gravitational force
- Chain (real estate), whereby a group of buyers/sellers are linked together
- Fetter (Buddhism), a deeply rooted mental attachment preventing one from achieving liberation from suffering
- Chaining, a technique from applied behavioral analysis for teaching complicated tasks by breaking them into simpler steps
- Necklace - a jewelry which is worn around the neck
In management:
- Chain store, retail outlets which share a brand and central management
- Chain store#Business chains, a network of physical business locations
- Chain store#Restaurant chains, set of related restaurants
- Hotels#Hotel chains, group of branded hotels managed together under a business arrangement known as franchising or operated by a single company
- Chain of command, the line of authority and responsibility along which orders are passed
- Supply chain, coordinated system of organizations, people , activities, information and resources involved in moving a product or service from supplier to customer
- Cold chain, temperature-controlled supply chain
- Value chain, a management concept first described by Michael Porter
In mathematics:
- Chain (algebraic topology), formal linear combination of k-simplices
- Chain complex, a generalization of the algebraic topology construct to homological algebra
- Total order#Chains, a set paired with a total order, it usually refers to a totally ordered subset of some partially ordered set
- Markov chain, discrete-time stochastic process with the Markov property
- Pseudo-arc, which has at its heart the concept of a chain
- Chain rule, a tool for differentiation in calculus
In chemistry:
- Chain reaction, sequence of reactions where a reactive product or by-product causes additional reactions
- Ideal chain, mathematical model of polymer folding
- Worm-like chain (or semiflexible chain), which has Kuhn length equal to twice the persistence length
In biochemistry:
- Electron transport chain, a sequence of chemical reactions yielding the transport of an electron through a membrane
In biology:
- Food chain, a hierarchical or recursive list of predictors and prey
In economics:
- Chained dollars, used to express real dollar amounts adjusted over time for inflation
Names involving chain or chains:
- Chain Bridge (Washington, D.C.), bridge across the Potomac River at the Little Falls in Washington, D.C.
- Széchenyi Chain Bridge, suspension bridge that spans River Danube between Buda and Pest
- Union Bridge (Tweed) (or "Chain Bridge"), bridge in Northumberland
- John Chain, a retired U.S. Air Force general
- "Chains", a 1994 UK top-ten single by Tina Arena from her album Don't Ask
- Alice in Chains, an influential rock group that was formed in the late-1980s in Seattle, Washington
- Chain (band), an Australian blues rock band active from the 1960s to the present
- Bat Chain Puller, the tenth album by Captain Beefheart & the Magic Band
- Bat Chain Puller, a collection of works by Kurt Loder for Rolling Stone
- "Chains" (song), a song performed by the Beatles
- "Chains" (Tina Arena song), a song on Tina Arena's 1994 album Don't Ask
- "Chains" (Patty Loveless song), a 1990 country song
- Chains of Love, a song by Terry Ronald
- "Chains" (Blackadder), an episode of the British sitcom Blackadder II
- Chains (play), a 1909 play by Elizabeth Baker
- Ernst Boris Chain, a Nobel Prize-winning chemist famed for his isolation of penicillin
- Chains (geological site) a geological site on the north-west plateau of Exmoor, Somerset, England
- Chains (film), a short film starring TNA wrestler Kurt Angle
- Chain, an opponent in the video game Yie Ar Kung-Fu