a. Biol. [f. BACTERI-UM + L. -cīda slayer + -AL 1.] Destructive to bacteria.
1878. Tyndall, in 19th Cent., March, 506. The bactericidal effects which his theory ascribes to pressure. Ibid. (1881), Float. M. Air, 48. All bactericidal media are therefore anti-septic.
