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单词 propionic acid
释义

WordReference Random House Unabridged Dictionary of American English © 2024
propionic acid, [Chem., Pharm.]
  1. Chemistry, Drugsa 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. 
  • 1850–55

Collins Concise English Dictionary © HarperCollins Publishers::
propionic acid /ˌprəʊpɪˈɒnɪk/ n
  1. the former name for propanoic acid
Etymology: 19th Century: from Greek pro- first + pionic from piōn fat, because it is first in order of the fatty acids
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更新时间:2024/9/21 10:39:50