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