nystatin, Mycostatin, Nystan

an antifungal and antibiotic (trade names Mycostatin and Nystan) discovered in New York State; derived from soil fungi actinomycetes

• antibiotic, antibiotic drug, wonder drug — a chemical substance derivable from a mold or bacterium that kills microorganisms and cures infections
• antifungal, antifungal agent, fungicide, antimycotic, antimycotic agent — any agent that destroys or prevents the growth of fungi