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 New research shows that centenarians—or people who live to 100 or beyond—may have lower (but not too low) levels of glucose, uric acid, and creatinine in their blood. Brian Mastroianni, Health, 31 Oct. 2023 The organ not only produced urine, but also removed serum creatinine, a waste product that can build up in the blood of patients with kidney disease. Amy Yurkanin | Ayurkanin@al.com, al, 17 Aug. 2023 Levels of creatinine, an indicator of kidney function, have remained normal and there has been no indication of rejection. Karen Weintraub, USA TODAY, 16 Aug. 2023 The kidneys play a crucial role in filtering waste products from the blood, including creatinine (a byproduct of creatine metabolism). Amber Smith, Discover Magazine, 9 July 2023 Instead, clinicians can estimate GFRs by taking a patient’s creatinine levels and running it through an equation that accounts for the different levels of creatinine produced by people of different ages, races, and sexes. Brittany Trang, STAT, 22 Nov. 2022 That was the case five years ago for Franklin, Tennessee, resident Greg Norwicki, whose beloved cat Tucker was diagnosed with kidney failure after routine blood work showed slightly elevated creatinine and blood urea nitrogen – indicators for kidney disease. Allie Weintraub, ABC News, 6 June 2023 Then, because of worsening kidney function (high creatinine), I have been switched to just glyburide alone. Dr. Keith Roach, oregonlive, 16 Feb. 2023 The second test is a blood test to measure for a waste product called creatinine. Alex Groth, Journal Sentinel, 29 Mar. 2023 See More

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

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 29 Nov. 2023.

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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