creatinin Meaning, Definition & Usage

Cre*at"i*nin noun
Definitions
  1. (Physiol. Chem.) A white, crystalline, nitrogenous body closely related to creatin but more basic in its properties, formed from the latter by the action of acids, and occurring naturally in muscle tissue and in urine. Written also kretinine. = creatinine, C4H7N3O

Webster 1913