permutation meaning and definition

PERMUTATION noun

Definition of permutation (noun)

1. an event in which one thing is substituted for another
   • "the replacement of lost blood by a transfusion of donor blood"
   • synonyms: replacement, substitution, switch, transposition
2. the act of changing the arrangement of a given number of elements
3. complete change in character or condition
   • "the permutations...taking place in the physical world"- Henry Miller
4. act of changing the lineal order of objects in a group