antibiotic

n.	1.	A chemical substance derived from a mold or bacterium that kills microorganisms and cures infections.
	2.	any chemical substance having therapeutically useful antibacterial or antifungal activity; - used commonly but loosely for synthetic as well as natural antimicrobial agents.
adj.	1.	of or pertaining to an antibiotic.
	2.	having antimicrobial activity; capable of killing microbes.

Noun	1.	antibiotic - 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" Synonyms: antibiotic drug
Adj.	1.	antibiotic - of or relating to antibiotic drugs

Chloromycetin, Terramycin, acaricide, actinomycin, alexipharmic, amphotericin, antacid, anthelmintic, antidotal, antimicrobial, antipyretic, antiseptic, antitoxic, bacitracin, bacteriostatic, bug bomb, carbamate insecticide, carbomycin, chemosterilant, chlorinated hydrocarbon insecticide, chlortetracycline, cloxacillin, contact poison, defoliant, dihydrostreptomycin, disinfectant, eradicant, erythromycin, febrifugal, fradicin, fumigant, fungicide, germicide, gramicidin, griseofulvin, herbicide, insect powder, insecticide, methicillin, microbicide, miticide, mitomycin, organic chlorine, organic phosphate insecticide, penicillin, pesticide, poison, rat poison, roach paste, roach powder, rodenticide, stomach poison, streptomycin, streptothricin, subtilin, sulfa, systemic, systemic insecticide, tetracycline, toxic, toxicant, toxin, tylocin, tyrothricin, vancomycin, venin, venom, vermicide, viomycin, virus, weed killer