From Longman Dictionary of Contemporary Englishinterventionin‧ter‧ven‧tion /ˌɪntəˈvenʃən $ -tər-/ ●●○ W3 AWL noun [countable, uncountable] DO something/TAKE ACTIONthe act of becoming involved in an argument, fight, or other difficult situation in order to change what happens government intervention to regulate prices
Examples from the Corpus
intervention• Early intervention can save the lives of many women who get breast cancer.• He opposed U.S. military intervention overseas.From Longman Business Dictionaryinterventionin‧ter‧ven‧tion /ˌɪntəˈvenʃən-tər-/ noun [countable, uncountable] the act of becoming involved in a situation in order to help deal with a problemHis financial intervention saved the firm from liquidation.intervention inthe degree of government intervention in the economy 