Chain (disambiguation)

A chain is a series of connected links which are typically made of metal.

Chain may also refer to:

Accessories and apparel

• Mail (armour) (or "chainmail" or "chain mail"), a type of armor made of interlocking chain links
• Necklace, or neck chain, or chain, 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 the Little Falls in Washington, D.C.
• Chains (geological site), a geological site on the north-west plateau of Exmoor, Somerset, England
• Union Bridge (Tweed) (or "Chain Bridge"), a bridge in Northumberland

People with the name

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

Arts, entertainment, and media

Films and television

• Chain (film), a 2004 film written and directed by Jem Cohen
• Chains, a short film starring TNA wrestler Kurt Angle
• Chains (Blackadder), a 1986 episode of the British sitcom Blackadder II

Literature

• Chains, a 2008, historical fiction book by Laurie Halse Anderson
• Chains (play), a 1909 play by Elizabeth Baker

Music

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

Albums

• Chain (Bonnie Pink album), 2008
• Chain (KAT-TUN album), 2012
• Chain (Paul Haig album), 1989
• Chain (Pylon album), 1990

Songs

• "Chains" (DLT song), 1996
• "Chains" (Nick Jonas song), 2014
• "Chains" (Patty Loveless song), 1990
• "Chains" (The Cookies song), 1962, covered by the Beatles
• "Chains" (Tina Arena song), 1994
• "Chains" (Usher song), 2015
• "Chains" (Chicago song), 1982

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, 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, temperature-controlled supply chain
• Fast food chain
• Hotel chain
• Restaurant chain
• Supply chain, 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, a set paired with a total order, it usually refers to a totally ordered subset of some partially ordered set
• Chain (algebraic topology), 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 (continued fraction), 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, 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 (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, 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
• Roller chain, most commonly used for transmission of mechanical power
• Self-lubricating chain, 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

• Chain reaction, sequence of reactions where a reactive product or by-product causes additional reactions
• Ideal chain, mathematical model of polymer folding
• Polymer chain, structure of a polymer
• Worm-like chain (or semiflexible chain), which has Kuhn length equal to twice the persistence length

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
• Chain, Planetary, a chain of globes serving as fields of evolution in theosophical cosmology
• Chain crew (football chains), 10 yards in length, for setting the spot to reach for a first down
• Chain gang
• Chain letter, 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
• Chain of thought, continuous thought process where ideas follow one from the other
• Chain smoking, the habit of smoking continuously
• 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
• Daisy chain (disambiguation), various meanings
• Hudson River Chain, one of several chains used in blockades of the Hudson River
• Human chain, a form of protest
• Signifying chain, in semiotics, an interlocking system of signifiers

Units of measurement

• Chain (unit), unit of length
• Gunter's chain, a unit of measurement

Other uses

• Chain (caste), a cultivating and fishing caste found in eastern Uttar Pradesh, 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 of Ponds (disambiguation)
• Serial (disambiguation)
• The Chain (disambiguation)