EXAMPLES | WORD ORIGIN noun . Biochemistry a crystalline end product of creatine metabolism, C 4H 7N 3O, occurring in urine, muscle, and blood. Origin of creatinine 1850–55;
-in -ine 2
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for creatinine Historical Examples of creatinine British Dictionary definitions for creatinine 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
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Word Origin and History for creatinine
Online Etymology Dictionary, © 2010 Douglas Harper
creatinine [krē-ăt ′n-ēn′, -ĭn] n. A creatine anhydride formed by the metabolism of creatine and found in muscle tissue and blood and normally excreted in the urine as metabolic waste.
The American Heritage® Stedman's Medical Dictionary
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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: C 4H 7N 3O.
The American Heritage® Science Dictionary
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