creatinine

[ kree-at-n-een, -in ]
/ kriˈæt nˌin, -ɪn /

noun Biochemistry.

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

Origin of creatinine

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

Words nearby creatinine

creatine, creatine kinase, creatine phosphate, creatinemia, creatininase, creatinine, creatinine clearance, creatinuria, creation, creation science, creationism

Example sentences from the Web for creatinine

  • 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

  • Foremost among them are uric acid, creatinine, and the coloring-matter.

    Schenk's Theory: The Determination of Sex |Samuel Leopold Schenk

  • The precipitate contains the picrate of trimethylenediamine, mixed with the picrates of cadaverine and creatinine.

    Poisons: Their Effects and Detection |Alexander Wynter Blyth

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

Medical definitions for creatinine

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.

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.