Main Entry: leu·ko·ci·din Variant: or chiefly Britishleu·co·ci·din/"lü-k&-'sId-&n/ Function: noun : a heat-stable substance (as that produced by some bacteria) capable of killing or destroying leukocytes
leukocidin leu·ko·ci·din (l&oomacr;'kə-sīd'n, l&oomacr;-kō'sĭ-dn) n. A substance, produced by certain species of Staphylococcus and Streptococcus bacteria, that can destroy or lyse white blood cells.