c2h2co2h2

1 definition found

c2h2co2h2 - Collaborative International Dictionary of English v.0.48 :

  Fumaric \Fu*mar"ic\, a. (Chem.)
     Pertaining to, or derived from, fumitory (Fumaria officinalis
     ).
     [1913 Webster]
  
     Fumaric acid (Chem.), a widely occurring organic acid,
        extracted from fumitory as a white crystallline substance,
        C2H2(CO2H)2, and produced artificially in many ways, as
        by the distillation of malic acid; boletic acid. It is
        found also in the lichen, Iceland moss, and hence was also
        called lichenic acid.
        [1913 Webster]