Bacteriaceae
noun plural
Bac·te·ri·a·ce·ae
| \ (ˌ)bak-ˌtir-ē-ˈā-sē-ˌē
\
\
Medical Definition of Bacteriaceae
1
in some classifications
: a large family of rod-shaped usually gram-negative bacteria (order Bacillales) that produce no spores and have a complex metabolism utilizing amino acids and generally carbohydrates
2
in former classifications
: a family comprising all simple cylindrical bacteria lacking a sheath and including the family Bacteriaceae, the genus Bacillus, and a number of other groups