tobramycin

 
Pronunciation: /ˌtɒbrəˈmʌɪsɪn/

noun

[mass noun] Medicine
  • a bacterial antibiotic used chiefly to treat pseudomonas infections.
    • The drug is obtained from the bacterium Streptomyces tenebrarius

Origin:

1970s: from to- (of unknown origin) + Latin (tene)bra(rius) 'belonging to darkness' (part of the name of the bacterium) + -mycin