Origin and Etymology of streptothricin
New Latin Streptothric-, Streptothrix, genus of bacteria, from strepto- + Greek trich-, thrix hair
First Known Use: 1926
Medical Definition of streptothricin
: a basic antibiotic C19H34N8O8 that is produced by a soil actinomycete of the genus Streptomyces (S. lavendulae) and is active especially against bacteria; also : any of several related antibiotics
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