chro·mo·center noun alsochro·mo·centre\ˈ ̷ ̷ ̷ ̷+ˌ-\ (-s) Etymology: International Scientific Vocabulary chrom- + center, centre; originally formed as Italian cromocentro : a densely staining nuclear body associated with the chromatin of certain cells • chro·mo·centric\| ̷ ̷ ̷ ̷+\adjective