Definition of "bactericidal"

bactericidal

adjective
not comparable
1. That kills bacteria.
  Quotations
  It would, therefore, have seemed a natural inference that the same agent would exert a similar bactericidal effect when added to other infectious body fluids.
  1901 December 20, H. Watkins-Pitchford, “Rinderpest”, in The Agricultural Journal and Mining Record‎, volume 4, number 21, page 641
2. Of or pertaining to a bactericide.
noun
plural bactericidals
1. A bactericide.