phosphocreatine

noun

phos·​pho·​cre·​a·​tine ˌfäs-(ˌ)fō-ˈkrē-ə-ˌtēn How to pronounce phosphocreatine (audio)
: a compound C4H10N3O5P of creatine and phosphoric acid that is found especially in vertebrate muscle where it is an energy source for muscle contraction

Example Sentences

Recent Examples on the Web Meanwhile, creatine monohydrate supports the natural production of phosphocreatine in the muscles, which can improve strength, recovery, and energy. Dallas News, 22 Dec. 2022 Levels of phosphocreatine, which can act as a backup to mobilize muscles when there is no ATP, also increased while Sherpas climbed, but decreased as Lowlanders climbed to higher altitudes. Nathaniel Scharping, Discover Magazine, 24 May 2017 First was the levels of phosphocreatine, which allows muscles to continue contracting even when adenosine triphosphate, or ATP (a key molecule in transporting chemical energy within the cell), runs out. Jason Daley, Smithsonian, 24 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phosphocreatine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

International Scientific Vocabulary

First Known Use

1927, in the meaning defined above

Time Traveler
The first known use of phosphocreatine was in 1927

Dictionary Entries Near phosphocreatine

Cite this Entry

“Phosphocreatine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phosphocreatine. Accessed 31 Jan. 2023.

Medical Definition

phosphocreatine

noun
phos·​pho·​cre·​atine ˌfäs-(ˌ)fō-ˈkrē-ə-ˌtēn How to pronounce phosphocreatine (audio)
: a compound C4H10N3O5P of creatine and phosphoric acid that is found especially in vertebrate muscle where it is an energy source for muscle contraction

called also creatine phosphate

Last Updated: - Updated example sentences
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