a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections
A yellow crystalline broad-spectrum tetracycline antibiotic C₂₂H₂₄N₂O₉ that is produced by a soil actinomycete (Streptomyces rimosus) and works by interfering with bacteria's ability to produce essential proteins.