[proh-pee-on-uh-bak-teer-ee-uh, -oh-nuh-]

plural noun, singular pro·pi·on·i·bac·te·ri·um [proh-pee-on-uh-bak-teer-ee-uh m, -oh-nuh-] /ˌproʊ piˈɒn ə bækˈtɪər i əm, -ˈoʊ nə-/. Bacteriology.

aerobic or anaerobic bacteria of the genus Propionibacterium, found in dairy products, especially hard cheeses where certain species are associated with the ripening process.

Origin of propionibacteria

< New Latin (1909); see propionic, bacteria Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

propionibacterium in Medicine




A genus of saphrophytic nonmotile gram-positive bacteria, usually anaerobic, that occur in dairy products, on the skin, and in the intestinal tract; certain species may be pathogenic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.