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
Recent Examples on the Web
The body degrades creatine, turning it into creatinine.
—
Melissa Nieves, Verywell Health, 13 Mar. 2025
Healthy kidneys filter creatinine and other waste products out of the blood and into urine.
—John Bacon, USA TODAY, 26 Feb. 2025
But metabolites—like lactate, creatinine, and glucose—shouldn’t be too much harder.
—IEEE Spectrum, 22 Oct. 2014
Higher concentrations of creatinine and urea indicate an unhealthy kidney struggling to clear waste products from the body.
—IEEE Spectrum, 22 Oct. 2014
See All Example Sentences for creatinine
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.
Melissa Nieves, Verywell Health, 13 Mar. 2025
Healthy kidneys filter creatinine and other waste products out of the blood and into urine.
—John Bacon, USA TODAY, 26 Feb. 2025
But metabolites—like lactate, creatinine, and glucose—shouldn’t be too much harder.
—IEEE Spectrum, 22 Oct. 2014
Higher concentrations of creatinine and urea indicate an unhealthy kidney struggling to clear waste products from the body.
—IEEE Spectrum, 22 Oct. 2014
See All Example Sentences for creatinine
Cite this Entry
“Creatinine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/creatinine. Accessed 25 Mar. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share