Definition of pentanoic acid in US English:

pentanoic acid

noun

Chemistry
  • A colorless liquid fatty acid present in various plant oils, used in making perfumes.

    Chemical formula: CH₃(CH₂)₃COOH

    • ‘Pentanoic acid, or valeric acid, is also known for its odor and in fact is used for flavorings and perfumes.’

Origin

1920s: pentanoic from pentane.

Pronunciation

pentanoic acid

/ˌpen(t)əˌnōik ˈasəd/