Definition of cinnamic in US English:



  • 1Of cinnamon.

    1. 1.1 Denoting an acidic crystalline powder (cinnamic acid), C₉H₈O₂, derived from cinnamon or produced synthetically and used in medicine and perfumery.
      • ‘In the study, a series of benzoic and cinnamic acids were tested.’
      • ‘Non-flavinoid compounds are derived from cinnamic and benzoic acids.’
      • ‘Propolis has been reported to contain cinnamic acid.’
      • ‘The Perkin reaction is a chemical reaction that is used to make cinnamic acids, a derivative of cinnamon.’
      • ‘A number of solid amine and diamine salts of cinnamic acids 2 were photochemically isomerized in low yields.’