: a nucleotide C10H15N5O10P2 composed of adenosine and two phosphate groups that is formed in living cells as an intermediate between ATP and AMP and that is reversibly converted to ATP for the storing of energy by the addition of a high-energy phosphate group

called also adenosine diphosphate

Examples of ADP 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.
Typically looked at for clues about what the official government jobs report will say a few days later, the ADP report for May is expected to show 112,000 jobs were added in the month, according to Dow Jones. Kevin Stankiewicz, CNBC, 1 June 2025 Economic data hits early, with the ADP private payrolls report for May landing around 8:15 a.m. Catherine Baab, Quartz, 1 June 2025 According to a 2024 study by ADP Research, 46% of the youngest employees, especially Gen-Z, would rather be unemployed than unhappy at work. Andrei Cretu, Forbes.com, 21 May 2025 There tend to be discrepancies between reports by ADP and the Bureau of Labor Statistics, but weakness elsewhere — evident from Thursday’s ISM manufacturing data — suggests a rough patch ahead. Andrew Ross Sorkin, New York Times, 2 May 2025 See All Example Sentences for ADP

Word History

Etymology

adenosine diphosphate

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of ADP was in 1942

Browse Nearby Words

Cite this Entry

“ADP.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ADP. Accessed 6 Jun. 2025.

Kids Definition

ADP

noun
ˌā-ˌdē-ˈpē How to pronounce ADP (audio)
ā-ˈdē-ˌpē
: a compound formed in living cells that reacts to form ATP

Medical Definition

: a nucleotide C10H15N5O10P2 composed of adenosine and two phosphate groups that is formed in living cells as an intermediate between ATP and AMP and that is reversibly converted to ATP for the storing of energy by the addition of a high-energy phosphate group

called also adenosine diphosphate

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!