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

Currently, the exact timing of creatine use that is better for people looking to maximize creatine benefits is unclear. —Emmanuella Ogbonna, Health, 22 Apr. 2025

While that is not a high amount of creatine, eating shrimp can contribute to your daily creatine intake. —Lana Barhum, Verywell Health, 21 Apr. 2025

The studies have also not factored in creatine’s propensity to cause water retention. —New Atlas, 20 Mar. 2025

People who are pregnant or breastfeeding should not take creatine. —Lauren O'Connor, Ms, Rdn, Health, 8 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