cluster of differentiation 8(n = noun.substance) cd8 - a membrane glycoprotein that is found primarily on the surface of cytotoxic T cells;
is a kind of glycoprotein

8, 8 may 1945, atomic number 8, cluster, cluster bean, cluster bomb, cluster bomblet, cluster headache, cluster of differentiation 4, december 8, differentiation, flower cluster, oak leaf cluster