permutation

CEFRC1

/ˌpɜː.mjʊˈteɪ.ʃən/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A different arrangement of the same items.

  2. 02

    noun

    Extra detail

    A one-to-one mapping from a finite set to itself.

Examples

  • Every possible permutation of our world exists in a separate universe.

  • Which permutation for completing our agenda items makes the most sense?

At a glance

Sits at C1 on the CEFR scale

Senses
5
Parts of speech
1

Also pronounced

  • /ˌpɜː.mjʉˈtæɪ.ʃən/

Deep Dive

noun

Extra meanings

  1. An ordering of a finite set of distinct elements.

  2. One of the ways something exists, or the ways a set of objects can be ordered.

  3. A transformation of a set's prime form, by applying one or more of certain operations, specifically, transposition, inversion, and retrograde.

More examples

In context

  • There are six permutations of three elements, e.g. {abc, acb, bac, bca, cab, cba}.

  • This permutation takes each element to the one following it, with the last mapped back to the first.

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

Each blank of the three letters, like ABC and CBA, forms a different code.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

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