Creatinine

//kɹiːˈæ.təˌniːn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A heterocyclic amine, 2-amino-1-methyl-5H-imidazol-4-one, formed by the metabolism of creatine. countable, uncountable

Etymology

From creatine + -ine, from Ancient Greek κρέας (kréas, “meat”) (genitive κρέατος (kréatos)) + -ine.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.