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Definition of permutation

permutation

/ˌpɜːr.mjuːˈteɪ.ʃən/
per · mu · ta · tion
Plural:permutations
•
Adjective:permutational
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permutation Lexical Profile

permutation Game Scores & Validity

• noun

1

A way, especially one of several possible variations, in which a set or number of things can be ordered or arranged.

Example

"The software tested every possible permutation of the schedule to find the most efficient timetable."

2

In mathematics, an ordered arrangement of the elements of a set into a specific sequence, or a one-to-one mapping of a set onto itself.

Example

"In combinatorics, there are six distinct permutations of a set containing three elements."

3

A thorough or fundamental change, alteration, or transformation in character or condition.

Example

"Over the decades, the neighborhood has undergone several cultural permutations."

Synonyms
View all synonyms for permutation
Antonyms
View all antonyms for permutation

Word Nuance & Usage

In mathematics and statistics, a 'permutation' refers to an arrangement where the exact order of items matters (such as a keypad passcode), whereas a 'combination' refers to a selection where the order does not matter.

• Rhymes for permutation

• Nearby Words

permit
permittee
permitting
permutation
perniciousness
perovskia
peroxide

Word Origin & Etymology

Borrowed in the 14th century from Old French permutation, from Latin permutatio ('a thorough change or exchange'), derived from per- ('thoroughly') and mutare ('to change').

Cite this Entry

Wordmom. (2026). Definition of Permutation. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/permutation
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