| Brequet chain () A watch-guard. |
| Chain (n.) A series of links or rings, usually of metal, connected, or fitted into one another, used for various purposes, as of support, of restraint, of ornament, of the exertion and transmission of mechanical power, etc. |
| Chain (n.) That which confines, fetters, or secures, as a chain |
| Chain (n.) A series of things linked together |
| Chain (n.) An instrument which consists of links and is used in measuring land. |
| Chain (n.) Iron links bolted to the side of a vessel to bold the dead-eyes connected with the shrouds |
| Chain (n.) The warp threads of a web. |
| Chain (v. t.) To fasten, bind, or connect with a chain |
| Chain (v. t.) To keep in slavery |
| Chain (v. t.) To unite closely and strongly. |
| Markov / Andrei Markov / Markoff / Andre Markoff Russian mathematician (-) |
| Markov chain / Markoff chain a Markov process for which the parameter is discrete time values |
| Markov process / Markoff process a simple stochastic process in which the distribution of future states depends only on the present state and not on how it arrived in the present state |