paracentric inversion Syllabification: (par·a·cen·tric in·ver·sion)Pronunciation: /ˌparəˈsentrik/Definition of paracentric inversion noun Genetics a reversal of the normal order of genes in a chromosome segment involving only the part of a chromosome at one side of the centromere. paracentric inversion in other Oxford dictionaries Definition of paracentric inversion in the British & World English dictionary