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An oily liquid acid, C3H6O2, found naturally in sweat, in milk products, and as a product of bacterial fermentation. Prepared synthetically from ethyl alcohol and carbon monoxide, it is used chiefly in the form of its propionates as a mold inhibitor in bread and as an ingredient in perfume. Also called propanoic acid.
[Greek pro-, first; see pro-2 + Greek pīōn, fat (from the fact that it is first in order among the fatty acids); see peiə- in Indo-European roots + -ic.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) the former name for propanoic acid
[C19: from Greek pro- first + pionic from piōn fat, because it is first in order of the fatty acids]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pro′pi•on′ic ac′id(ˈproʊ piˈɒn ɪk, ˌproʊ-)
a colorless, oily, water-soluble liquid, C3H6O2, having a pungent odor: used in making bread-mold-inhibiting propionates and as a topical fungicide.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||propionic acid - a liquid fatty acid found in milk and sweat and in fuel distillates|
fenoprofen, fenoprofen calcium, Nalfon - a nonsteroidal anti-inflammatory drug (trade name Nalfon) used in the treatment of arthritis and other painful inflammatory disorders
Ansaid, flurbiprofen - a nonsteroidal anti-inflammatory drug (trade name Ansaid) that is administered only orally
Advil, ibuprofen, isobutylphenyl propionic acid, Motrin, Nuprin - a nonsteroidal anti-inflammatory and analgesic medicine (trade names Advil and Motrin and Nuprin) used to relieve the pain of arthritis and as an antipyretic; "daily use of ibuprofen can irritate the stomach"
ketoprofen, Orudis, Orudis KT, Oruvail - nonsteroidal anti-inflammatory drug (trade names Orudis or Orudis KT or Oruvail)
Naprosyn, naproxen - a nonsteroidal anti-inflammatory drug (trade name Naprosyn) used in the treatment of arthritis and musculoskeletal inflammation and moderate pain
Aflaxen, Aleve, Anaprox, naproxen sodium - a nonsteroidal anti-inflammatory drug (trademarks Aleve and Anaprox and Aflaxen) that fights pain and inflammation
carboxylic acid - an organic acid characterized by one or more carboxyl groups
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