tourism UK /ˈtʊəɹɪzəm/US /ˈtʊɹɪzəm/ noun3 •The act of travelling or sightseeing, particularly away from one's home.Mass tourism damaged the beach. •The act of visiting another region or jurisdiction for a particular purpose. •The industry in which such travels and sightseeing are organized.Tourism brings a lot of tax revenue to the area. formstourisms