Definitions for bactericidebækˈtɪər əˌsaɪd
Random House Webster's College Dictionary
a substance capable of killing bacteria.
Origin of bactericide:
any chemical agent that destroys bacteria
antibacterial, antibacterial drug, bactericide(noun)
any drug that destroys bacteria or inhibits their growth
Any substance that kills bacteria, especially one that is otherwise harmless.
same as Germicide