creatine

[ kree-uh-teen, -tin ]

noun

, Biochemistry.

1. an amino acid, C 4 H 9 N 3 O 2 , that is a constituent of the muscles of vertebrates and is phosphorylated to store energy used for muscular contraction.

creatine

/ -tɪn; ˈkriːətɪn; ˈkriːəˌtiːn /

noun

1. an important metabolite involved in many biochemical reactions and present in many types of living cells

creatine

/ krē′ə-tēn′,-tĭn /

1. A nitrogenous organic acid that is found in the muscle tissue of vertebrates, mainly combined with phosphorus, and that supplies energy for muscle contraction. Chemical formula: C 4 H 9 N 3 O 2 .

Word History and Origins

Origin of creatine¹

First recorded in 1830–40; creat- (from Greek kreat-, stem of kréas “flesh”) + -ine ²( def )

Word History and Origins

Origin of creatine¹

C19: creat- from Greek kreas flesh + -ine ²

Example Sentences

Not satisfied with that explanation, Foster had some bloodwork done that showed wildly elevated creatine levels.

From Los Angeles Times

Simmons was a tonic to those who found those creatine temples intimidating or inaccessible.

From Salon

While specific products aren’t banned, the law states judges enforcing the measure could consider the inclusion of ingredients including creatine, green tea extract and raspberry ketone.

From Seattle Times

But a growing problem in boys is the use of fitness supplements such as protein powder and creatine products, a compound that supplies energy to the muscles.

From Salon

By pairing caffeine with other buzzy active ingredients like ginseng, carnitine, creatine and ginkgo biloba, they position these drinks as enhancers of mental alertness and concentration, too.

From Salon