fumaric acid

noun

an unsaturated organic dicarboxylic acid, HOOCCH=CHCOOH, the geometric isomer of maleic acid from which it may be prepared by heating; it is found in many plants, including fungi and mosses, and is essential in the chemistry of respiration; it has a number of industrial applications, and its esters, the fumarates, are used in the treatment of psoriasis

Similar
trans-butenedioic acidE297 when used as an acidity regulator

Meanings

nounfumaric acid (countable and uncountable, plural fumaric acids)

plural fumaric acids

  1. countableuncountablechemistryan unsaturated organic dicarboxylic acid, HOOCCH=CHCOOH, the geometric isomer of maleic acid from which it may be prepared by heating; it is found in many plants, including fungi and mosses, and is essential in the chemistry of respiration; it has a number of industrial applications, and its esters, the fumarates, are used in the treatment of psoriasis

    Synonyms: trans-butenedioic acid, E297 when used as an acidity regulator

Synonyms & antonyms

nounan unsaturated organic dicarboxylic acid, HOOCCH=CHCOOH, the geometric isomer of maleic acid from which it may be prepared by heating; it is found in many plants, including fungi and mosses, and is essential in the chemistry of respiration; it has a number of industrial applications, and its esters, the fumarates, are used in the treatment of psoriasis

Similar
trans-butenedioic acidE297 when used as an acidity regulator

Origin

Cite this entry
APA

fumaric acid. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/fumaric%20acid

MLA

“fumaric acid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fumaric%20acid. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “fumaric acid,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/fumaric%20acid.

Source: fumaric acid on Wiktionary, CC BY-SA 4.0.