Permutation: Word of the day--what does it mean? How and when should you use it?
Channel: Josh Coker
Date: 12/06/2015

In this video Josh talks about the term permutation, and gives examples of how and when it's appropriate to use (in both speech and writing).

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Permutation Definition

1. an ordered arrangement of the numbers, terms, etc, of a set into specified groups: the permutations of a, b, and c, taken two at a time, are ab, ba, ac, ca, bc, cb a group formed in this way. The number of permutations of n objects taken r at a time is n !/( n – r)! n P r Compare combination (sense 6)

2. a combination of items made by reordering

3. an alteration; transformation

See more information about Permutation and it's word origin at dictionary.com: http://dictionary.reference.com/browse/permutation?s=t