1) Antibiotic 2) Antibiotic drug 3) Nebcin 1) Nebcin 
<chemical> O-3-amino-3-deoxy-alpha-d-glucopyranosyl-(1-4)-o-(2,6- diamino-2,3,6-trideoxy-alpha-d-ribohexopyranosyl-(1-4))-2- deoxy-d-streptamine. An aminoglycoside, broad-spectrum antibiotic produced by streptomyces tenebrarius. It is effective against gram-negative bacteria, especially the pseudomonas species. It is a 10% component of the an...
(to″brә-mi´sin) an aminoglycosideantibiotic produced by Streptomyces tenebrarius and used topically as the base to treat external infections of the eye, by oral inhalation to treat Pseudomonas aeruginosa infections in patients with cystic fibrosis, and intramuscularly or intravenously as the sulfate salt to treat ...
[n] - an antibiotic (trade name Nebcin) that is especially effective against gram-negative bacteria
Nebcin noun an antibiotic (trade name Nebcin) that is especially effective against Gram-negative bacteria