The act of altering a given set of objects in a group.(noun)
Mathematics A rearrangement of the elements of a set.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "permutation" in a sentence
"The only factual effect of the current system or any permutation is creating the illusion of security."
"Mr. MAHANTHAPPA: And I think this - the idea of permutation is something that I've always gravitated towards."
"The alternative is to provide a variation on every word in the word censor with every possible punctuation permutation, which is not feasible."