coumaric

Cou*mar"ic (k-mr"k), a. Defn: Relating to, derived from, or like, the Dipterix odorata, a tree of Guiana. Coumaric acid (Chem.), one of a series of aromatic acids, related to cinnamic acid, the most important of which is a white crystalline substance, HO.C6H4.C2H2.CO2H, obtained from the tonka bean, sweet clover, etc., and also produced artifically.

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