xenogeneicEnglishOxford Dictionary of Englishxenogeneic /ˌzɛnə(ʊ)dʒɪˈniːɪk , ˌzɛnə(ʊ)dʒɪˈneɪɪk / ▸ adjective Medicine relating to or involving tissues or cells belonging to individuals of different species. Compare with allogeneic