Definition of permutation in English:


Line breaks: per¦mu|ta¦tion
Pronunciation: /pəːmjʊˈteɪʃ(ə)n


1Each of several possible ways in which a set or number of things can be ordered or arranged: his thoughts raced ahead to fifty different permutations of what he must do
More example sentences
  • The possible permutations of ordering the seven stamps determined the need for 42 collages.
  • We will give a proof here, independent of Wilson's theorem, that all permutations are possible.
  • There are 16 different permutations for a possible World Series matchup this season.
1.1 [mass noun] Mathematics The action of changing the arrangement, especially the linear order, of a set of items.
More example sentences
  • The statistical significance of this test is calculated by permutation.
  • A simple position permutation was also used to generate random sequences.
  • The statistical significance of the values was estimated by permutation analysis using 1,000 replications.
1.2British A selection of a specified number of matches in a football pool.


late Middle English (in the sense 'exchange, barter'): via Old French from Latin permutatio(n-), from the verb permutare 'change completely' (see permute).



More example sentences
  • His methods here are based on wreath products and permutational products.
  • The table was analyzed using an exact permutational test using the algorithm of ROFF and BENTZEN permuted randomly 1000 times.
  • Here, the permutational integers are sentences, rather than rhymes.

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