HOC6H4C2H2CO2H

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Coumaric \Cou*mar"ic\ (k??-m?r"?k), a.
     Relating to, derived from, or like, the {Dipterix odorata}, a
     tree of Guiana.
     [1913 Webster]
  
     {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
        artificially.
        [1913 Webster]