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Definition of Hygromycin
1. Noun. (medicine) A broad-spectrum antibiotic obtained from a strain of ''Streptomyces hygroscopicus'' ¹
¹ Source: wiktionary.com
Medical Definition of Hygromycin
1. An antibiotic from the bacterial species Streptomyces hygroscopicus and Streptomyces noboritoensis. It is useful against a wide range of different pathogenic microbes. (09 Oct 1997)