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

Literature

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

Albums

Songs

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

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

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
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