抗菌 kàngjūn antibacterial Origin Definitions Defs Strokes Stroke Words Sentences Sents 抗菌素 kàngjūnsù antibiotic Chemical substance produced by microorganisms that can inhibit or kill bacteria; used to treat infections.抗菌药 kàngjūnyào antibacterial drug antibacterial drug; antibiotic; medicine used to kill or inhibit the growth of bacteria