creatine

[kree-uh-teen, -tin]

noun Biochemistry.

an amino acid, C4H9N3O2, that is a constituent of the muscles of vertebrates and is phosphorylated to store energy used for muscular contraction.

Origin of creatine

1830–40; creat- (< Greek kreat-, stem of kréas) flesh + -ine²

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for creatine

Historical Examples of creatine

In vertebrates, the basis for the phosphoric acid is creatine, whereas invertebrates have arginine instead.
Smithsonian Institution - United States National Museum - Bulletin 240
Anonymous
Creatine and creatinine also seem to lessen in amount, but of the extent of this change I am not as yet fully informed.
Fat and Blood
S. Weir Mitchell

British Dictionary definitions for creatine

creatine

creatin (ˈkriːətɪn)

noun

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

Word Origin for creatine

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for creatine

1834, from French creatine, from Greek kreas "flesh, meat" (see raw) + chemical suffix -ine (2). Organic base discovered by French physicist Michel-Eugène Chevreul (1786-1889) in the juice of flesh and named by him.

creatine in Medicine

creatine

[krē′ə-tēn′, -tĭn]

A nitrogenous organic acid that is found in the muscle tissue of vertebrates mainly in the form of phosphocreatine and supplies energy for muscle contraction.

creatine in Science

creatine

[krē′ə-tēn′, -tĭn]

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: C4H9N3O2.