deflocculate Syllabification: (de·floc·cu·late)Pronunciation: /dēˈfläkyəˌlāt/Definition of deflocculate verb [with object] Chemistry break up the floccules (of a substance suspended in a liquid) into fine particles, producing a dispersion. Derivatives deflocculationPronunciation: /deˌfläkyəˈlāSHən/ noun deflocculate in other Oxford dictionaries Definition of deflocculate in the British & World English dictionary