Achromatiaceae

plural noun

Ach·​ro·​mati·​a·​ce·​ae

ˌa-krō-ˌma-tē-ˈā-sē-ˌē,

-ˌmā-shē-

: a family usually placed in the order Beggiatoales that includes large motile aquatic bacteria containing sulfur or calcium carbonate inclusions but no photosynthetic pigments

Word History

Etymology

New Latin, from Achromatium, type genus (from achromat- + -ium) + -aceae

First Known Use

1918, in the meaning defined above

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