释义 |
WordReference Random House Learner's Dictionary of American English © 2024per•mu•ta•tion /ˌpɜrmyʊˈteɪʃən/USA pronunciation n. - [uncountable] the act of permuting;
rearrangement. - Mathematics any of the changes that result from such rearrangement:[countable]Two of the possible permutations of the elements abc are acb or bac.
See -mut-. WordReference Random House Unabridged Dictionary of American English © 2024per•mu•ta•tion (pûr′myŏŏ tā′shən),USA pronunciation n. - the act of permuting or permutating;
alteration; transformation. - Mathematics
- Mathematicsthe 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. - any of the resulting arrangements or groups. Cf. combination (def. 8b).
- Latin permūtātiōn- (stem of permūtātiō) thoroughgoing change. See per-, mutation, permute
- Middle French permutacion)
- Middle English permutacioun (1325–75
per′mu•ta′tion•al, adj. per′mu•ta′tion•ist, n. - 1.See corresponding entry in Unabridged modification, transmutation, change.
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