Chromatium

noun Chro·ma·ti·um \krōˈmāshēəm\

Definition of Chromatium

  1. :  a genus of purple sulfur bacteria (family Thiorhodaceae) that are ovoid to bean-shaped or rod-shaped, motile by polar flagella, reddish from a mixture of bacteriochlorophyll and carotenoid pigments, and widely distributed in fresh or salt water, some having been reported also from soil

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Origin and Etymology of chromatium

New Latin, from chromat- + -ium


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