microchip Syllabification: (mi·cro·chip)Pronunciation: /ˈmīkrōˌCHip/Translate microchip | into French | into German | into Italian | into Spanish Definition of microchip noun a tiny wafer of semiconducting material used to make an integrated circuit. verb (microchips, microchipping, microchipped) [with object] implant a microchip under the skin of (a domestic animal) as a means of identification. microchip in other Oxford dictionaries Definition of microchip in the British & World English dictionary