antibiotic /ˌænˌtaɪbaɪˈɑːtɪk/ noun plural antibiotics
plural antibiotics
Learner's definition of ANTIBIOTIC
[count] medical
: a drug that is used to kill harmful bacteria and to cure infections抗生素;抗菌素
— antibiotic
adjective -
an antibiotic pill抗生素片剂
-
antibiotic drugs抗菌药