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propionic acid

noun, Chemistry, Pharmacology
a colorless, oily, water-soluble liquid, C 3 H 6 O 2 , having a pungent odor: used in making bread-mold-inhibiting propionates, in perfumery, and in medicine as a topical fungicide.
Also called methylacetic acid.
Origin of propionic acid
1850-55 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for propionic acid
Historical Examples
  • propionic acid is formed at the same time as the eyes, and they are said to be the result of a propionic ferment of lactic acid.

    The Book of Cheese Charles Thom and Walter Warner Fisk
British Dictionary definitions for propionic acid

propionic acid

the former name for propanoic acid
Word Origin
C19: from Greek pro- first + pionic from piōn fat, because it is first in order of the fatty acids
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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propionic acid in Medicine

propionic acid pro·pi·on·ic acid (prō'pē-ŏn'ĭk)
A fatty acid found naturally in sweat and as a product of bacterial fermentation, used as a mold inhibitor in bread. Also called propanoic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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propionic acid in Science
propionic acid
A liquid fatty acid found naturally in sweat and milk products and as a product of bacterial fermentation. It is also prepared synthetically from ethanol and carbon monoxide, and is used chiefly in the form of its propionates as a mold inhibitor in bread and as an ingredient in perfume. Chemical formula: C3H6O2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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