creatinine

noun

cre·​at·​i·​nine krē-ˈa-tə-ˌnēn How to pronounce creatinine (audio)
-ən
: a white crystalline strongly basic compound C4H7N3O formed from creatine and found especially in muscle, blood, and urine

Examples of creatinine in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Creatine breaks down to form creatinine, a waste product excreted in the urine. Jennifer Lefton, Ms, Rd/n, Cnsc, Fand, Verywell Health, 24 Oct. 2024 Small amounts of creatine get broken down into creatinine daily, which is excreted through urine. Jennifer Lefton, Ms, Rd/n, Cnsc, Fand, Verywell Health, 24 Oct. 2024 The authors noted that for any given GFR, creatinine was higher in Black people than in white people. Cassandra Willyard, Scientific American, 15 Oct. 2024 Similarly, urine tests check for creatinine and a substance called albumin. Sean Mowbray, Discover Magazine, 16 Oct. 2024 See all Example Sentences for creatinine 

Word History

Etymology

German Kreatinin, from Kreatin creatine

First Known Use

1851, in the meaning defined above

Time Traveler
The first known use of creatinine was in 1851

Dictionary Entries Near creatinine

Cite this Entry

“Creatinine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/creatinine. Accessed 8 Dec. 2024.

Medical Definition

creatinine

noun
cre·​at·​i·​nine krē-ˈat-ᵊn-ˌēn, -ᵊn-ən How to pronounce creatinine (audio)
: a white crystalline strongly basic compound C4H7N3O formed from creatine and found especially in muscle, blood, and urine

More from Merriam-Webster on creatinine

Last Updated: - Updated example sentences
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