creatinine

[ kree-at-n-een, -in ]

/ kriˈæt nˌin, -ɪn /

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noun Biochemistry.

a crystalline end product of creatine metabolism, C4H7N3O, occurring in urine, muscle, and blood.

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Origin of creatinine

1850–55; <German Kreatinin, equivalent to kreatincreatine + -in-ine²

Words nearby creatinine

create a scene, created, creatine, creatine kinase, creatine phosphate, creatinine, creation, creationism, creation science, creative, Creative Commons

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use creatinine in a sentence

Creatinine is plugged into the formula along with age, sex and race.
For Years, JaMarcus Crews Tried to Get a New Kidney, but Corporate Healthcare Stood in the Way|by Lizzie Presser|December 15, 2020|ProPublica
Creatine and creatinine also seem to lessen in amount, but of the extent of this change I am not as yet fully informed.
Fat and Blood|S. Weir Mitchell
The creatinine was estimated in two cases and was found to be 2.0 mg.
Scurvy Past and Present|Alfred Fabian Hess
The precipitate contains the picrate of trimethylenediamine, mixed with the picrates of cadaverine and creatinine.
Poisons: Their Effects and Detection|Alexander Wynter Blyth

Foremost among them are uric acid, creatinine, and the coloring-matter.
Schenk's Theory: The Determination of Sex|Samuel Leopold Schenk

British Dictionary definitions for creatinine

creatinine

/ (kriːˈætəˌniːn) /

noun

an anhydride of creatine that is abundant in muscle and excreted in the urine

Word Origin for creatinine

C19: from German Kreatinin, from Kreatin creatine + -in -ine ²

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for creatinine

creatinine

[ krē-ăt′n-ēn′, -ĭn ]

A compound formed by the metabolism of creatine, found in muscle tissue and blood and normally excreted in the urine as a metabolic waste. Measurement of creatinine levels in the blood is used to evaluate kidney function. Chemical formula: C4H7N3O.