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Definition of Acetic acid

Acetic acid: The acid most commonly associated with vinegar. Acetic acid is a two-carbon carboxylic acid. Its formula is: CH3COOH. It is the most commercially important organic acid and is used in the manufacture of a broad range of chemical products, such as plastics and insecticides.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012

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