English Explanatory Dictionary

permutation

English dictionary entry

Meanings

noun
  1. One of the ways something exists, or the ways a set of objects can be ordered.
  2. A one-to-one mapping from a finite set to itself.
  3. An ordering of a finite set of distinct elements.
  4. A transformation of a set's prime form, by applying one or more of certain operations, specifically, transposition, inversion, and retrograde.

Pronunciation

/ˌpɜː.mjʊˈteɪ.ʃən/ [ˌpɜː.mjʊˈteɪ.ʃn̩] LL-Q1860 (eng)-Vealhurl-permutation.wav /ˌpɝ.mjʊˈteɪ.ʃ(ə)n/ /ˌpɜː.mjʉˈtæɪ.ʃən/ [ˌpɜː.mjʉˈtæɪ.ʃn̩] LL-Q1860 (eng)-Jjamesryan-permutation.wav

Word forms

permutation permutations

Etymology

From Middle English permutacioun, permutacyoun, from Old French permutacïon, promutatïon and Medieval Latin permūtātiōnem, accusative of permūtātiō. Morphologically permute + -ation.

Related words

combination

Derived words

multipermutation permutational permutation box permutation group permutation lock simsun permutation subpermutation superpermutation vexillary permutation
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