triphosphate

noun

tri·​phos·​phate (ˌ)trī-ˈfäs-ˌfāt How to pronounce triphosphate (audio)
: a salt or acid that contains three phosphate groups compare atp, gtp

Examples of triphosphate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The complex has a mix of stem cell culture from Alpine rose and a microorganism living in a Swiss glacier that purports to rejuvenate skin and stimulate Adenosine triphosphate, or ATP, a key energy source for skin cells. Jennifer Weil, Footwear News, 1 July 2025 The primary way these ingredients produce this result is by increasing ATP levels (Adenosine triphosphate), which provides energy to cells. Amber Smith, Discover Magazine, 17 Oct. 2022 The reverse transcriptase enzyme in prime editors uses the same DNA building blocks, called deoxynucleotide triphosphates, that the cell naturally for its own DNA replication and repair. Sharon Begley, STAT, 6 Nov. 2019 Decades in the making Adenosine is a component of ATP, or adenosine triphosphate, which cells use for energy. Bradley J. Fikes, sandiegouniontribune.com, 11 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 Decades in the making Adenosine is a component of ATP, or adenosine triphosphate, which cells use for energy. Bradley J. Fikes, sandiegouniontribune.com, 11 May 2017

Word History

First Known Use

circa 1826, in the meaning defined above

Time Traveler
The first known use of triphosphate was circa 1826

Cite this Entry

“Triphosphate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triphosphate. Accessed 8 Jul. 2025.

Medical Definition

triphosphate

noun
tri·​phos·​phate (ˈ)trī-ˈfäs-ˌfāt How to pronounce triphosphate (audio)
: a salt or acid that contains three phosphate groups see atp, gtp
Last Updated: - Updated example sentences
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