chromobacterium

noun
chro·​mo·​bac·​te·​ri·​um | \ˌkrō-mō-bak-ˈtir-ē-əm \

Medical Definition of chromobacterium 

1 capitalized : a genus of aerobic gram-negative saprophytic soil and water bacteria (family Rhizobiaceae) producing a violet pigment

2 plural chromobacteria\ -​ē-​ə \ : a bacterium of the genus Chromobacterium

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