noun plural

Bac·​te·​ri·​a·​ce·​ae (ˌ)bak-ˌtir-ē-ˈā-sē-ˌē How to pronounce Bacteriaceae (audio)
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
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

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Cite this Entry

“Bacteriaceae.” Medical Dictionary, Merriam-Webster, Accessed 25 Sep. 2023.

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