From Longman Dictionary of Contemporary Englishpermutationper‧mu‧ta‧tion /ˌpɜːmjʊˈteɪʃən $ ˌpɜːr-/ noun [countable] ORDER/SEQUENCEone of the different ways in which a number of things can be arranged a sandwich shop that sells every possible permutation of meat and bread → combination
Examples from the Corpus
permutation• Formulations are varied because there are three ways of achieving the same capability with combinations and permutations.• And, of course, such fragments have been made to convey many permutations of these uses.• The 14 different dinners are mostly permutations of beef, chicken, noodles, and rice.• This work organised the known theory of permutation groups and its relationship with Galois Theory.• In one permutation, Panetta would not challenge Feinstein if she ran for governor.• It has been estimated that there are 26 possible permutations of step-family formation.• The permutations were many and varied.• And that was not the end of it, for there were permutations.Origin permutation (1300-1400) Old French permutacion, from Latin, from permutare “to change completely” 