fumaric acid


fu·​mar·​ic acid fyu̇-ˈmer-ik- How to pronounce fumaric acid (audio)
: a crystalline acid C4H4O4 found in various plants or made synthetically

Examples of fumaric acid in a Sentence

Recent Examples on the Web This supplement does come with a longer ingredient list compared to other products on our list, including citric acid and fumaric acid. Anne Cook Carroll, Ms, Parents, 3 Aug. 2023 The therapeutic, known as S-217622 or ensitrelvir fumaric acid, was discovered by researchers at Hokkaido University in Japan. Aidin Vaziri, San Francisco Chronicle, 16 Feb. 2023 Tests proved him right. Spraying experimental rice plants with artificial acid rain immediately cut their release into the soil of three relevant bacterial foodstuffs—fumaric acid, galactose and glucose. The Economist, 12 July 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fumaric acid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary, from New Latin Fumaria, genus of herbs, from Late Latin, fumitory, from Latin fumus

First Known Use

circa 1864, in the meaning defined above

Time Traveler
The first known use of fumaric acid was circa 1864

Dictionary Entries Near fumaric acid

Cite this Entry

“Fumaric acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fumaric%20acid. Accessed 30 Sep. 2023.

Medical Definition

fumaric acid

fu·​mar·​ic acid fyu̇-ˌmar-ik- How to pronounce fumaric acid (audio)
: a crystalline acid C4H4O4 formed from succinic acid as an intermediate in the Krebs cycle
Last Updated: - Updated example sentences
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