Meaning of PERMUTATION in English


— permutational , adj. — permutationist , n.

/perr'myoo tay"sheuhn/ , n.

1. the act of permuting or permutating; alteration; transformation.

2. Math.

a. the act of changing the order of elements arranged in a particular order, as abc into acb, bac, etc., or of arranging a number of elements in groups made up of equal numbers of the elements in different orders, as a and b in ab and ba; a one-to-one transformation of a set with a finite number of elements.

b. any of the resulting arrangements or groups. Cf. combination (def. 8b).

[ 1325-75; ME permutacioun ( permutacion ) permutation- (s. of permutatio ) thoroughgoing change. See PER-, MUTATION, PERMUTE ]

Syn. 1. modification, transmutation, change.

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .