creatine
/ˈkrɛtɪn/ KRĒ-tin
Definitions
1. noun
a substance that occurs naturally in the body and is also found in foods, used as a dietary supplement to increase muscle mass and strength, particularly in athletes
“He started taking creatine to improve his athletic performance.”
2. noun
a substance used in the production of cosmetics and pharmaceuticals
“The company developed a new skincare product containing creatine.”
3. chemistry
a colorless, odorless, crystalline compound with the formula C4H9N3O2
“The compound was identified as creatine in the lab analysis.”