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The Collaborative International Dictionary
fumaric

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.]

Wiktionary
fumaric

a. 1 Of, pertaining to, or derived from fumitory 2 Of or pertaining to fumaric acid or its derivatives

WordNet
Wikipedia

Usage examples of "fumaric".

It also contains a little sugar, fumaric acid, oxalic acid, about 3 per cent of cetrarin and 1 per cent of licheno-stearic acid.