Dictionary Home »
Dictionary Definitions » penicillin
penicillin
noun
any of a group of isomeric, antibiotic compounds with the general formula CHNOSR, obtained from the filtrates of certain molds (esp., Penicillium notatum and P. chrysogenum) or produced synthetically
See penicillin in American Heritage Dictionary 4
Learn more about penicillin
Related Articles
link/cite print suggestion box