Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: antibiotic  ,an-tee-bI'ó-tik
  1. A chemical substance derivable from a mould or bacterium that can kill microorganisms and cure bacterial infections
    "when antibiotics were first discovered they were called wonder drugs";
    - antibiotic drug
Adjective: antibiotic  ,an-tee-bI'ó-tik
  1. Of or relating to antibiotic drugs

Derived forms: antibiotics

Type of: antibacterial, antibacterial drug, bactericide

Encyclopedia: Antibiotic