A substance that destroys bacteria.

An agent or substance that destroys bacilli. Also attributive or adj.= bacilliˈcidal adj.

A substance formed in the body during an infectious disease which has the property of destroying the specific bacterium of the disease.

a spirochæticidal substance.

A minute organism or agent which destroys bacteria. Cf. phage, n.

Any of a group of naturally-occurring substances, found chiefly in honey and saliva, which inhibit the growth of bacteria.