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Related to enterobacterium: enterobacterial
n. pl. en·ter·o·bac·te·ri·a (-tîr′ē-ə)
Any of various gram-negative, rod-shaped, often enteric bacteria of the family Enterobacteriaceae that includes some plant and animal pathogens, such as salmonella.
n, pl -ria (-rɪə)
(Microbiology) any of a class of Gram-negative rodlike bacteria that occur in the gastrointestinal tract