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peptococcus

noun pep·to·coc·cus \ ˌpep-tə-ˈkäk-əs \

medical Definition of peptococcus

1 capitalized :a genus of anaerobic gram-positive coccal bacteria that do not form spores and are now considered to comprise a single species (P. niger)
2 plural peptococci play \-ˈkäk-ˌ(s)ī\ :any bacterium of the genus Peptococcus

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