Creatine

//ˈkɹiː.əˌtiːn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An amino acid, 2-(carbamimidoyl-methyl- amino)acetic acid, which naturally occurs in vertebrates and helps to supply energy to muscle and nerve cells. countable, uncountable
  2. 2
    an amino acid that does not occur in proteins but is found in the muscle tissue of vertebrates both in the free form and as phosphocreatine; supplies energy for muscle contraction wordnet

Etymology

From Ancient Greek κρέας (kréas, “meat”) (genitive κρέατος (kréatos)) + -ine. Not related to create.

Related phrases

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