| 单词 | propionic acid |
| 释义 | propionic acidnoun Chemistry, Pharmacology.a colorless, oily, water-soluble liquid, C3H6O2, having a pungent odor: used in making bread-mold-inhibiting propionates, in perfumery, and in medicine as a topical fungicide. Also propanoic acid. Also called methylacetic acid. Origin of propionic acidFirst recorded in 1850–55 Words nearby propionic acidpropionaldehyde, propionate, propionibacteria, Propionibacterium, propionic, propionic acid, propionicacidemia, propitiate, propitiation, propitiatory, propitious Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for propionic acidpropionic acid / (ˌprəʊpɪˈɒnɪk) / nounthe former name for propanoic acid Word Origin for propionic acidC19: 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 Medical definitions for propionic acidpropionic acid [ prō′pē-ŏn′ĭk ] n.A fatty acid found naturally in sweat and as a product of bacterial fermentation, used as a mold inhibitor in bread.propanoic acid The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for propionic acidpropionic acid [ prō′pē-ŏn′ĭk ] 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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