Dictionary
to•bra•my•cin
Pronunciation: (tō"bru-mī'sin), [key]—
n. Pharm.
a highly toxic aminoglycoside antibiotic, C
18H
37N
5O
9, derived from
Streptomyces tenebarius, used in the treatment of serious infections due to susceptible Gram-positive and Gram-negative organisms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.