· an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood"
Synonym(s): substitution, transposition, replacement, switch
Hypernym(s): variation, fluctuation
· the act of changing the arrangement of a given number of elements
Hypernym(s): mathematical_process, mathematical_operation, operation
· complete change in character or condition; "the permutations...taking place in the physical world"- Henry Miller
Hypernym(s): transformation, translation
· act of changing the lineal order of objects in a group
Hypernym(s): reordering