fumaricacid

fu·mar·ic acid (fyo͞o-mărʹĭk) n.

An organic acid, C₄H₄O₄, found in various plants and produced synthetically and used mainly in resins, paints, varnishes, and inks.

  [From New Latin Fūmāria, genus of herbaceous plants (from Late Latin fūmāria, fumitory, from Latin fūmus, smoke) + -ic.]

* * *