propionibacterium
noun
pro·pi·oni·bac·te·ri·um
| \ ˌprō-pē-ˌän-ə-bak-ˈtir-ē-əm
\
\
Medical Definition of propionibacterium
1
capitalized
: a genus (the type of the family Propionibacteriaceae) of gram-positive nonmotile usually anaerobic bacteria that form propionic acid by fermenting lactic acid, carbohydrates, and polyalcohols and that include forms found especially on human skin and in dairy products
2
plural propionibacteria\ -ē-ə \
: any bacterium of the genus Propionibacterium
\
: any bacterium of the genus Propionibacterium