bac·te·ri·o·cin (bāk-tîr'ē-ə-sĭn') n. An antibacterial substance, such as colicin, produced by a strain of certain bacteria and harmful to another strain within the same family.
bacteriocin bac·te·ri·o·cin (bāk-tēr'ē-ə-sĭn') n. An antibacterial substance, such as colicin, produced by a strain of bacteria and harmful to another strain within the same family.