vo·cif·er·a·tion \ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈrāshən\noun (-s) Etymology: Middle English vociferacion, from Middle French vociferation, from Latin vociferation-, vociferatio, from vociferatus (past participle) + -ion-, -io -ion : the act of vociferating : outcry, clamor < the perpetual vociferation of inflammatory opinion by all sorts of periodicals — George Sampson >