[proh-pee-on-uh-bak-teer-ee-uhm, -oh-nuh-]
noun, plural propionibacteria [proh-pee-on-uh-bak-teer-ee-uh, -oh-nuh-] . Bacteriology.
any of several aerobic or anaerobic bacteria of the genus Propionibacterium, found in dairy products, especially hard cheeses where certain species are associated with the ripening process.

< Neo-Latin (1909); see propionic, bacterium Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

Propionibacterium Pro·pi·on·i·bac·te·ri·um (prō'pē-ŏn'ə-bāk-tēr'ē-əm)
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.
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