permutation has definitions from the field of mathematics
1
[ noun ] complete change in character or condition

Examples

: "the permutations...taking place in the physical world"- Henry Miller

Related terms

transformation

2
[ noun ] (mathematics) the act of changing the arrangement of a given number of elements
3
[ noun ] an event in which one thing is substituted for another

Examples

"the replacement of lost blood by a transfusion of donor blood"

4
[ noun ] act of changing the lineal order of objects in a group

Related terms

reordering permute

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