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phosphocreatine

American

[fos-foh-kree-uh-teen, -tin] / ˌfɒs foʊˈkri əˌtin, -tɪn /

noun

Biochemistry.

a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.

phosphocreatine British

/ ˌfɒsfəˈkriːəˌtiːn /

noun

a compound of phosphoric acid and creatine found in vertebrate muscle

"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

Etymology

Origin of phosphocreatine

First recorded in 1925–30; phospho- + creatine

Example Sentences

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See Examples For:

phosphocreatine

Research shows that it increases creatine and phosphocreatine levels in muscle, which improves the body's ability to regenerate ATP during short bursts of high intensity activity.

From Science Daily ● May 4, 2026

The compounds increased levels of phosphocreatine, a molecule that acts like an emergency energy supply.

From Science Daily ● Mar. 6, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023