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

Both brands advise taking a five-gram scoop of creatine a day. —Devinder Bains, Glamour, 16 May 2025

One group also received 5 grams of creatine every day, while the other got a placebo. —Dylan Scott, Vox, 25 Apr. 2025

Compared to men, women have up to 80% lower body creatine stores and consume significantly less dietary creatine. —Jillian Kubala, Health, 29 Apr. 2025

Liquid creatine supplements should be avoided because creatine is broken down to creatinine in water. —Mary Choy, Verywell Health, 18 Apr. 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