prodigiosin
noun
pro·dig·i·o·sin
| \ prō-ˌdij-ē-ˈō-sᵊn
\
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Medical Definition of prodigiosin
: a red antibiotic pigment C20H25N3O that is produced by a bacterium of the genus Serratia (S. marcescens) and was formerly used against protozoans (as the parasite of amebic dysentery) and against fungi (as the parasite of coccidioidomycosis)