creatine

noun

cre·​a·​tine ˈkrē-ə-ˌtēn 

-tᵊn

: a white crystalline nitrogenous substance C₄H₉N₃O₂ found especially in the muscles of vertebrates either free or as phosphocreatine

also : a synthetic usually hydrated form of creatine taken especially as a dietary supplement

Examples of creatine in a Sentence

Recent Examples on the Web

Whipping caffeine, creatine, peptides, and an Ayurvedic Haritaki fruit into a weightless serum, Champo’s Pitta Growth is a great growth solution for fine hair types. —Kiana Murden, Vogue, 12 Sep. 2025

Research on the timing of creatine supplementation is limited, but consistency seems to be more important. —Christina Manian, Health, 10 Sep. 2025

These individuals should talk with a health care provider before trying a creatine supplement. —Alexa Mikhail, Flow Space, 8 Sep. 2025

The right dose Supplements offer much more creatine than food, increasing the likelihood that the compound reaches the brain. —Matt Fuchs, Time, 2 Sep. 2025

Word History

Etymology

French créatine, from Greek kreat-, kreas flesh — more at raw

First Known Use

1840, in the meaning defined above

Phrases Containing creatine

• creatine kinase
• creatine phosphate

Rhymes for creatine

• aten
• clayton
• satan
• statin
• straighten

Medical Definition

creatine

noun

cre·​atine ˈkrē-ə-ˌtēn, -ət-ᵊn 

: a white crystalline nitrogenous substance C₄H₉N₃O₂ found especially in vertebrate muscle either free or as phosphocreatine