buzz·word 
/ˈbʌzˌwɚd/ noun
plural buzz·words /ˈbʌzˌwɚd/ noun [count] : a word or phrase that becomes very popular for a period of time ◊Buzzwords are often related to a particular business or field of study.
▪ At that time, the new buzzword in the tourism industry was “ecotourism.”
▪ At that time, the new buzzword in the tourism industry was “ecotourism.”
