- a medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys micro-organisms抗生素, 抗菌素。
- relating to, involving, or denoting antibiotics（与）抗生素（有关）的, （与）抗菌素（有关）的。
词源
mid 19th cent. （in the sense 'doubting the possibility of life in a particular environment' ）： from ANTI- + Greek biōtikos 'fit for life' （from bios 'life' ）.