A chain is a series of connected links which are typically made of metal.
Chain may also refer to:
Accessories and apparel Chain mail, a type of armor made of interlocking chain links Jewellery chain (or necklace), a type of jewelry which is worn around the neck
Arts, entertainment, and media Films and television Chains (film), a 1949 Italian melodrama film Chains (Blackadder), a 1986 episode of the British sitcom Blackadder II Chain (advertisement), a 1994 television advertisement for Guinness Chains of Love (TV series), a 2001 American dating game show adapted from a Dutch television series Chain (film), 2004, written and directed by Jem Cohen Chains, a 2009 short film starring TNA wrestler Kurt Angle
Literature Chains (play), 1909, by Elizabeth Baker Chain (play), 1992, by Pearl Cleage Chains (novel), a 2008 historical-fiction novel by Laurie Halse Anderson
Music
Albums and EPs Chain, a 1989 album by Paul Haig Chain (The Family Stand album), 1990 Chain (Pylon album), 1990 Chains (album), by Yōko Oginome, 1997 Chain (Bonnie Pink EP), 2008 Chain (KAT-TUN album), 2012 Chain (NCT 127 EP), 2018
Songs "Chains" (Cookies song), 1962, covered by The Beatles "The Chain", a 1977 song by Fleetwood Mac "Chains", a song by Chicago from the 1982 album Chicago 16 "Chains" (Patty Loveless song), 1990 "Chain", a song by His Boy Elroy on their 1993 self-titled album "Chains" (Tina Arena song), 1994 "Chains" (DLT song), 1996 "Chain", a song by the Fire Theft from their 2003 self-titled album "Chains" (Nick Jonas song), 2014 "Chains" (Usher song), 2015
Performers Chain (band), an Australian blues rock band active from the 1960s
Business and economics Chain (real estate), a group of buyers/sellers that are linked together Chain of command, the line of authority and responsibility along which orders are passed Chain store, a retail shop outlets which share a brand and central management Chained dollars, used to express real dollar amounts adjusted over time for inflation Cinema chain, or movie chain Cold chain, a temperature-controlled supply chain Fast food chain Hotel chain Restaurant chain Supply chain, a coordinated system of organizations, people, activities, information and resources involved in moving a product or service from supplier to customer Value chain, a management concept first described by Michael Porter
Mathematics Chain (ordered set), a totally ordered set, usually a subset of a given partially ordered set Chain (algebraic topology), a formal linear combination of k-simplices Chain complex, a generalization of the algebraic topology construct to homological algebra Chain rule, a tool for differentiation in calculus Chain sequence, numbers in the mathematical study of continued fractions Conway chained arrow notation, a way of expressing exponents using arrows Jordan chain, a sequence of linearly independent generalized eigenvectors of descending rank Markov chain, a discrete-time stochastic process with the Markov property Pseudo-arc, which has at its heart the concept of a chain
Measurement Chain (unit), a unit of length Gunter's chain, measuring instrument New York City Subway chaining, method to specify locations along the New York City Subway lines
Mechanics, engineering, and implements Bar-link chain (or block chain), a mechanical drive chain Bicycle chain, a roller chain that transfers power from the pedals to the drive-wheel of a bicycle Buffers and chain coupler, a railway device Catenary (or chain), the shape of a hanging flexible cable when supported at its ends and acted upon by a uniform gravitational force Chain Home and Chain Home Low, early British RDF (radar) systems of the WWII era Chain tool, a small mechanical device used to "break" a bicycle chain in such a way that it could be mended with the same tool Conveyor chain, a chain that conveys items in chain conveyor systems Drive chain, a way of transmitting mechanical power from one place to another Print chain on a chain printer Roller chain, most commonly used for transmission of mechanical power Self-lubricating chain, to eliminate the need for further lubrication Snow chains or tire chains, devices fitted to the tires of vehicles to provide maximum traction Timing chain, part of an internal combustion engine
People with the name Ernst Chain (1906–1979), Nobel Prize–winning chemist famed for his isolation of penicillin John T. Chain Jr. (1934–2021), U.S. Air Force general
Places Chain Bridge (Budapest), a suspension bridge that spans River Danube between Buda and Pest Chain Bridge (Potomac River), a bridge across the Potomac River at Little Falls in Washington, D.C. Chains (geological site), on the north-west plateau of Exmoor, Somerset, England Union Chain Bridge, a bridge between Northumberland, England and Berwickshire, Scotland
Science Chemistry Catenation, the bonding of atoms of the same element in a series, or chain Polymer chain, structure of a polymer Chain reaction, a sequence of reactions where a reactive product or by-product causes additional reactions Ideal chain, a mathematical model of polymer folding Worm-like chain, a model in polymer physics used to describe the behavior of semi-flexible polymers
Other uses in science Electron transport chain, a sequence of chemical reactions yielding the transport of an electron through a membrane Food chain, a hierarchical or recursive list of predators and prey
Sequences Geological features Archipelago, a chain of islands Crater chain, a line of craters on the surface of an astronomical body Mountain range, a chain of hills or mountains
Other sequences Chain bridge, type of suspension bridge Chain crew, crew that manages signal poles in gridiron football Chain gang, group of prisoners chained together as a form of punishment Chain letter, a message that attempts to induce the recipient to make a number of copies of the message and then pass them on to one or more new recipients Chain of events, a number of actions and their effects that are linked together Chain smoking, practice of smoking several cigarettes/cigars in succession Chain stitch, in sewing and embroidery, a series of looped stitches that form a chain Chaining, a technique from applied behavioral analysis for teaching complicated tasks by breaking them into simpler steps Hudson River Chains, one of several chains used in blockades of the Hudson River Human chain (politics), a form of protest Signifying chain, in semiotics, an interlocking system of signifiers
Other uses Chain (caste), a cultivating and fishing caste found in India Chains (nautical), small platforms on the sides of ships Fetter (Buddhism) (mental chain), a deeply rooted mental attachment preventing one from achieving liberation from suffering
See also CHAIN (disambiguation) The Chain (disambiguation) Chain of Ponds (disambiguation) Chain of thought (disambiguation) Chained (disambiguation) Chane (disambiguation) Daisy chain (disambiguation) Serial (disambiguation)