[fju'mærik]
adj.
[化]反丁烯二酸的

Fumaric \Fu*mar"ic\, a. (Chem.)
Pertaining to, or derived from, fumitory ({Fumaria
officinalis}).

{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}.

Paramaleic \Par`a*ma*le"ic\, a. [Pref. para- + maleic.] (Chem.)
Pertaining to, or designating, an acid obtained from malic
acid, and now called {fumaric} acid. [Obs.]