nucleate Syllabification: (nu·cle·ate)Definition of nucleate adjective Pronunciation: /ˈn(y)o͞oklēət, -ˌāt/ chiefly Biology having a nucleus. verb Pronunciation: /ˈn(y)o͞oklēˌāt/ [no object] (usually as adjective nucleated) form a nucleus. form around a central area:a nucleated villageDerivatives nucleationPronunciation: /ˌn(y)o͞oklēˈāSHən/ noun nucleate in other Oxford dictionaries Definition of nucleate in the British & World English dictionary