Definition of Achromatiaceae
: a family usually placed in the order Beggiatoales that includes large motile aquatic bacteria containing sulfur or calcium carbonate inclusions but no photosynthetic pigments
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Origin and Etymology of achromatiaceae
New Latin, from Achromatium, type genus (from achromat- + -ium) + -aceae
First Known Use: 1918See Words from the same year
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