Definition of eugenol in English:



mass nounChemistry
  • A colourless or pale yellow liquid compound present in oil of cloves and other essential oils and used in perfumery.

    Alternative name: 4-allyl-2-methoxyphenol; chemical formula: C₁₀H₁₂O₂

    • ‘The aromatic chemical in clove called eugenol anesthetizes pain and kills bacteria.’
    • ‘Linalool is responsible for the light floral character; eugenol, the clove; and methyl chavicol, the anise.’
    • ‘The taste is acid but sweet, with an unusual aromatic quality partly due to eugenol, an essential oil found also in cloves.’
    • ‘Its synthetic counterpart, made from guaiacol or eugenol, is used in artificial vanillas.’
    • ‘Other natural antimicrobials include the phenolic compounds thymol, found in thyme, oregano and sage, and eugenol, the main flavour ingredient of cloves and allspice.’


Late 19th century: from eugenia (genus name of the tree from which oil of cloves is obtained, named in honour of Prince Eugene of Savoy (1663–1736)) + -ol.