operation
op-er-a-tion
noun
The process of functioning or working; a planned series of actions.
"The new factory is now in full operation."
noun
A surgical procedure performed on the body to repair, remove, or replace something.
"She needs an operation on her appendix."
Thesaurus
Synonyms: military operation, procedure, mental process, cognitive operation, process, cognitive process, surgical operation, surgery, surgical procedure, surgical process, mathematical operation, mathematical process