antibiotic, antibiotic drug (adj)

a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections

"when antibiotics were first discovered they were called wonder drugs"

antibiotic (adj)

of or relating to antibiotic drugs

antibiotic (Noun)

Any substance that can destroy or inhibit the growth of bacteria and similar microorganisms.

antibiotic (Adjective)

Of or relating to antibiotics.