agroterrorism Syllabification: (ag·ro·ter·ror·ism)Pronunciation: /ˌagrəˈterəˌrizəm/Definition of agroterrorism noun terrorist acts intended to disrupt or damage a country’s agriculture, especially the use of a biological agent against crops or livestock. Derivatives agroterrorist noun agroterrorism in other Oxford dictionaries Definition of agroterrorism in the British & World English dictionary