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EnglishEdit

EtymologyEdit

From French acide propionique, coined by chemist Jean-Baptiste Dumas, from Ancient Greek πρῶτος ‎(prôtos) ("first") and πίων ‎(píōn) ("fat"), because it was the smallest carboxylic acid that exhibited the properties of the other fatty acids, such as producing an oily layer when salted out of water and having a soapy potassium salt.

NounEdit

propionic acid ‎(uncountable)

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  1. (organic chemistry) The compound with the formula CH3CH2COOH, a naturally occurring carboxylic acid with a pungent odor.

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