krōˈmafə̇n, ˈkrōmə- adjective
also chro·maf·fine -(ˌ)fēn, -_fə̇n
Etymology: International Scientific Vocabulary chrom- + Latin affin is associated with, related by marriage; probably originally formed in German — more at affinity
: staining deeply with chromium salts
chromaffin tissue
specifically : indicating, relating to, or made up of certain pigmented cells derived from the sympathetic ganglia and capable of secreting adrenaline and forming in higher vertebrates the medulla of the suprarenal glands and the paraganglia
• chro·maf·fin·ic |krōmə|finik, -ˌma|- adjective