Definition of permutation noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌpɜːmjuˈteɪʃn//
; NAmE NAmE//ˌpɜːrmjuˈteɪʃn//
[usually plural]
jump to other results
any of the different ways in which a set of things can be ordered The possible permutations of x, y and z are xyz, xzy, yxz, yzx, zxy and zyx. Word Originlate Middle English (in the sense ‘exchange, barter’): via Old French from Latin permutatio(n-), from the verb permutare ‘change completely’, from per- ‘through, completely’ + mutare ‘to change’.
See the Oxford Advanced American Dictionary entry: permutation