microcomputer Syllabification: (mi·cro·com·pu·ter)Pronunciation: /ˈmīkrōkəmˌpyo͞otər/Translate microcomputer | into German | into Italian | into Spanish Definition of microcomputer noun a small computer that contains a microprocessor as its central processor. microcomputer in other Oxford dictionaries Definition of microcomputer in the British & World English dictionary