hygromycin B
noun
hy·gro·my·cin B
| \ ˌhī-grə-ˈmīs-ᵊn-ˈbē
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Medical Definition of hygromycin B
: an antibiotic C20H37N3O13 obtained from a bacterium of the genus Streptomyces (S. hygroscopicus) and used as an anthelmintic in swine and chickens