fumaric acid

 
Pronunciation: /fjuːˈmarɪk/

noun

[mass noun] Chemistry
  • a crystalline acid, isomeric with maleic acid, present in fumitory and many other plants.
    • Alternative name: trans-butenedioic acid; chemical formula: HOOCCHCHCOOH

Origin:

mid 19th century: fumaric from modern Latin Fumaria 'fumitory' + -ic