Antibiotic
WordNet
adjective
(1) Of or relating to antibiotic drugs
noun
(2) A chemical substance derivable from a mold or bacterium that kills microorganisms and cures infections
"When antibiotics were first discovered they were called wonder drugs"
WiktionaryText
Etymology
The word antibiotic comes from the Greek words anti, meaning "against", and βίος – bios, "life," hence against life. "
Noun
- Any substance that can destroy or inhibit the growth of bacteria and similar microorganisms.