antibacterial adj 1: destroying bacteria or inhibiting their growth n 1: any drug that destroys bacteria or inhibits their growth [syn: {antibacterial}, {antibacterial drug}, {bactericide}]
Antibacterial \An`ti*bac*te"ri*al\, a. (Med.) (a) killing or inhibiting the growth of bacteria; -- applied also to serum for protection against bacterial diseases. (b) Opposed to the bacterial theory of disease. [archaic] [Webster 1913 Suppl. +PJC]
Antibacterial \An`ti*bac*te"ri*al\, n. (Med.) a chemical substance which kills or inhibits the growth of bacteria. [PJC]