a. [ Cf. F. permutable. ] Capable of being permuted; exchangeable. -- Per*mut"a*ble*ness, n. -- Per*mut"a*bly, adv. [ 1913 Webster ]

n. [ L. permutatio: cf. F. permutation. See Permute. ] 1. The act of permuting; exchange of the thing for another; mutual transference; interchange. [ 1913 Webster ]

The violent convulsions and permutations that have been made in property. Burke. [ 1913 Webster ]

2. (Math.) (a) The arrangement of any determinate number of things, as units, objects, letters, etc., in all possible orders, one after the other; -- called also alternation. Cf. Combination, n., 4. (b) Any one of such possible arrangements. [ 1913 Webster ]

3. (Law) Barter; exchange. [ 1913 Webster ]

Permutation lock, a lock in which the parts can be transposed or shifted, so as to require different arrangements of the tumblers on different occasions of unlocking. [ 1913 Webster ]

v. t. [ L. permutare, permutatum; per + mutare to change: cf. F. permuter. ] 1. To interchange; to transfer reciprocally. [ 1913 Webster ]

2. To exchange; to barter; to traffic. [ Obs. ] [ 1913 Webster ]

Bought, trucked, permuted, or given. Hakluyt. [ 1913 Webster ]

n. One who permutes. [ 1913 Webster ]