multichain

Adjective

 * 1)  Of or pertaining to more than one chain.
 * multichain polyamino acids

Noun

 * 1) A Markov chain consisting of two or more closed sets of recurrent states plus (optionally) a set of states that do not belong to any of the closed sets.
 * 2) An ordered subset of a poset; a generalization of a chain that allows inequalities that are not strict.
 * 1) An ordered subset of a poset; a generalization of a chain that allows inequalities that are not strict.