viomycin

vi·o·my·cin

noun \ˌvī-ə-ˈmīs-^ən\

Definition of VIOMYCIN

: a basic polypeptide antibiotic that is produced by several soil actinomycetes of the genus Streptomyces (as S. puniceus) and is administered intramuscularly in the form of its sulfate C₂₅H₄₃N₁₃O₁₀·xH₂SO₄ in the treatment of tuberculosis especially in combination with other antituberculous drugs