Chain

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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
• Necklace - a jewelry which is worn around the neck
• Mail (armour) (or "chainmail"), a type of armor made of interlocking chain links
• Chain tool, small mechanical device used to "break" a bicycle chain in such a way that it could be mended with the same tool
• Chain (length), unit of length
• Gunter's chain, a unit of measurement
• 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
• Chain Home and Chain Home Low, early British RDF (radar) systems of the WWII era

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

See also

• Chain (sequence)
• The Chain (disambiguation)

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