- Anything that destroys bacteria or suppresses their growth or their ability to reproduce. Heat, chemicals (chlorine), and antibiotic drugs all have antibacterial properties.
* * *
* * *an·ti·bac·te·ri·al .ant-i-bak-'tir-ē-əl, .an-.tī- adj directed or effective against bacteriaantibacterial n an antibacterial agent
* * *adj.describing an antibiotic that is active against bacteria.
* * *an·ti·bac·te·ri·al (an″te-) (an″ti-bak-tērґe-əl) 1. destroying or suppressing the growth or reproduction of bacteria. Cf. bactericidal and bacteriostatic. 2. a substance that destroys or suppresses the growth or reproduction of bacteria.
Medical dictionary. 2011.