Coumarin

ahd-5
  • noun. A fragrant crystalline compound, C9H6O2, present in tonka beans and produced synthetically for use as a fragrance. Coumarin has been banned as a food additive in the United States because it can be toxic in large amounts.
    • The Century Dictionary and Cyclopedia
  • noun. A vegetable proximate principle (C9H9O2) obtained from the Dipteryx (Coumarouna) odorata or Tonka bean, and also occurring in melilot and some other plants, to which it gives its characteristic odor.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. The concrete essence of the tonka bean, the fruit of Dipterix (formerly Coumarouna) odorata and consisting essentially of coumarin proper, which is a white crystalline substance, C9H6O2, of vanilla-like odor, regarded as an anhydride of coumaric acid, and used in flavoring. Coumarin in also made artificially.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. the bicyclic aromatic compound 1,2-benzopyrone or any of its derivatives
    • Word Usage
    "The aromatic compound in bison grass is called coumarin."
    Same Context
    Words that are found in similar contexts
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