vancomycin


vancomycin
noun Etymology: vanco- (of unknown origin) + -mycin Date: circa 1956 an antibiotic C66H75Cl2N9O24 derived from an actinomycete (Amycolatopsis orientalis syn. Streptomyces orientalis) that is effective against gram-positive bacteria and is used chiefly in the form of its hydrochloride especially against staphylococci resistant to methicillin

New Collegiate Dictionary. 2001.