Chain (disambiguation)

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

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), a geological site on the north-west plateau of Exmoor, Somerset, England
• Union Chain Bridge, a bridge between Northumberland, England and Berwickshire, Scotland

People with the name

• Ernst Chain (1906–1979), Nobel Prize-winning chemist famed for his isolation of penicillin
• John T. Chain Jr. (1934–2021), retired U.S. Air Force general

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
• Chains of Love (TV series), a 2001 American dating game show adapted from a Dutch television series
• Chain (film), a 2004 film written and directed by Jem Cohen
• Chains, a 2009 short film starring TNA wrestler Kurt Angle

Literature

• Chains (play), a 1909 play by Elizabeth Baker
• Chain (play), a 1992 play by Pearl Cleage
• Chains (novel), a 2008 historical-fiction novel by Laurie Halse Anderson

Music

• Chain (band), an Australian blues rock band active from the 1960s to the present

Albums

• Chain (Paul Haig album), 1989
• 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
• "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
• "Chain", a song by His Boy Elroy

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

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

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

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

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)
• Chain of Ponds (disambiguation)
• Chain of thought (disambiguation)
• Chained (disambiguation)
• The Chain (disambiguation)
• Daisy chain (disambiguation)
• Serial (disambiguation)
• Chane (disambiguation)