citrulline

noun

cit·​rul·​line ˈsi-trə-ˌlēn How to pronounce citrulline (audio)
: a crystalline amino acid C6H13N3O3 formed especially as an intermediate in the conversion of ornithine to arginine

Example Sentences

Recent Examples on the Web Each scoop provides the natural benefits of creatine, caffeine, citrulline, beta-alanine, and other must-have ingredients. The Salt Lake Tribune, 28 Oct. 2022 The only components in the product are caffeine, beta-alanine, l-citrulline, and l-tyrosine. Amber Smith, Discover Magazine, 17 Oct. 2022 However, Red Boost also contains L-citrulline, an amino acid linked to vasodilation and blood flow. Jon Goodwin, Discover Magazine, 30 Dec. 2022 This supplement is made with a unique 2-in-1 formula that includes L-citrulline and longjack 100 to boost testosterone production while supporting balanced levels. The Salt Lake Tribune, 8 Nov. 2022 It’s formulated with a blend of B vitamins, fenugreek, L-citrulline, zinc, ancient peat extract, boron, and eurycoma longifolia extract. The Salt Lake Tribune, 8 Nov. 2022 Each serving is loaded with creatine, L-citrulline, niacin, and a blend of B-vitamins. The Salt Lake Tribune, 28 Oct. 2022 Researchers linked watermelon juice’s ability to relieve achy muscles to its L-citrulline content, which is an amino acid that helps to reduce muscle damage. Erica Sweeney, Good Housekeeping, 16 June 2022 Watermelon rinds also contain L-citrulline, which may reduce blood pressure and boost athletic performance. Erica Sweeney, Good Housekeeping, 16 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'citrulline.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

International Scientific Vocabulary, from New Latin Citrullus, genus name of the watermelon

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of citrulline was in 1930

Dictionary Entries Near citrulline

Cite this Entry

“Citrulline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/citrulline. Accessed 22 Mar. 2023.

Medical Definition

citrulline

noun
: a crystalline amino acid C6H13N3O3 formed especially as an intermediate in the conversion of ornithine to arginine in the living system

More from Merriam-Webster on citrulline

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