ˈnīsə̇n noun
( -s )
Etymology: origin unknown
: a crystalline polypeptide antibiotic that is produced by a bacterium of the genus Streptomyces ( S. lactis ) and inhibits many gram-positive organisms
ˈnīsə̇n noun
( -s )
Etymology: origin unknown
: a crystalline polypeptide antibiotic that is produced by a bacterium of the genus Streptomyces ( S. lactis ) and inhibits many gram-positive organisms
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012