creatinine
noun
cre·at·i·nine
krē-ˈa-tə-ˌnēn 
-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
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However, the rise in creatinine associated with creatine consumption is temporary and does not indicate kidney issues.
—
Jillian Kubala, Health, 21 Apr. 2025
Creatine breaks down to form creatinine, a waste product excreted in the urine.
—Mary Choy, Verywell Health, 18 Apr. 2025
Renal function is measured with a creatinine lab test.
—John Bacon, USA TODAY, 26 Feb. 2025
As a supplement, creatinine is often used to increase athletic performance.
—New Atlas, 20 Mar. 2025
See All Example Sentences for creatinine
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Jillian Kubala, Health, 21 Apr. 2025
Creatine breaks down to form creatinine, a waste product excreted in the urine.
—Mary Choy, Verywell Health, 18 Apr. 2025
Renal function is measured with a creatinine lab test.
—John Bacon, USA TODAY, 26 Feb. 2025
As a supplement, creatinine is often used to increase athletic performance.
—New Atlas, 20 Mar. 2025
See All Example Sentences for creatinine
Cite this Entry
“Creatinine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/creatinine. Accessed 5 May. 2025.
Copy CitationMedical Definition
creatinine
noun
cre·at·i·nine
krē-ˈat-ᵊn-ˌēn, -ᵊn-ən
: a white crystalline strongly basic compound C4H7N3O formed from creatine and found especially in muscle, blood, and urine
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