A bactericide or bacteriocide is a substance that kills bacteria and, ideally, nothing else. Bactericides are either disinfectants, antiseptics or antibiotics.
bac·te·ri·cide (b k-t r-s d) or bac·te·ri·o·cide (-t r--s d) n. An agent that destroys bacteria. bac·te ri·cid al, bac·te ri·cid al (-s d l) adj. bactericide
bac·te·ri·cide (b k-tîr-s d) n. An agent that destroys bacteria. bac·te ri·cid al (-s d l) adj. bac·te ri·cid al·ly adv. bactericide. a substance for killing bacteria.