an antibiotic obtained from the bacterium Streptomyces griseus: used in the treatment of tuberculosis and Gram-negative bacterial infections. Formula: C21H39N7O12
Word origin
from Streptomyces, genus name of bacteria (from strepto- + Greek mukēs fungus + -in)
streptomycin in American English
(ˌstrɛptəˈmaɪsɪn)
US
noun
an antibiotic, C21H39N7O12, obtained from a soil bacterium (Streptomyces griseus) and used in treating various bacterial diseases, as tuberculosis