catflap.org Online Dictionary Query

  operative procedure /ˈɒpəɹətˌɪv pɹəsˈiːdʒə/
  Operation , operativer Eingriff , chirurgischer Eingriff , Eingriff  [med.]
     Synonyms: operation, surgery, surgical operation, surgical intervention
  
   see: operations, surgeries, surgical operations, surgical interventions, operative procedures, exploratory operation, exploratory surgery, major surgery, minor surgery, emergency operation, immediate operation, emergency surgery, spacer operation, dental surgery, tooth operation, undergo surgery, need surgery