(ˌhɒməʊˈnjuːklɪə) adj (General Physics) physicschem a homonuclear molecule is composed of atoms of the same element or isotope and all of its nuclei are alike
homonuclear
ho·mo·nu·cle·ar
(hō'mō-nū'klē-ĕr), Denoting a cell line that retains the original chromosome complement.