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ADP

American

[ey-dee-pee] / ˈeɪˈdiˈpi /

abbreviation

Also called adenosine diphosphoric acid. Biochemistry. adenosine diphosphate: an ester of adenosine and pyrophosphoric acid, C 10 H 12 N 5 O 3 H 3 P 2 O 7 , derived from ATP, and serving to transfer energy during glycolysis.
Computers. automatic data processing: the processing of data by computers or related devices, using techniques that reduce human intervention to a minimum.

ADP British

noun

biochem adenosine diphosphate; a nucleotide derived from ATP with the liberation of energy that is then used in the performance of muscular work

"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

ADP Scientific

/ ā′dē′pē′ /

Short for adenosine diphosphate. An organic compound that is composed of adenosine and two phosphate groups. With the addition of another phosphate group, it is converted to ATP for the storage of energy during cell metabolism. It then forms again, from ATP, when a phosphate group is removed to release energy. Chemical formula: C ₁₀ H ₁₅ N ₅ O ₁₀ P ₂ .

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ATP vs. ADP

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Job changers were paid 6.5% more year over year in May, while job stayers saw a 4.4% pay bump, according to ADP.

From MarketWatch • Jun. 5, 2026

Private companies added a net 122,000 jobs in May, ADP said, compared with 105,000 additions in April and economists expectations of 110,000 new jobs.

From The Wall Street Journal • Jun. 3, 2026

The U.S. added 122,000 jobs to private payrolls in May, according to the ADP National Employment Report released Wednesday morning External link.

From Barron's • Jun. 3, 2026

The ADP and BLS reports can vary widely from month to month, but they move in the same direction over time.

From MarketWatch • Jun. 3, 2026

The charging of the battery, in which ADP and a free phosphate group are combined to restore ATP, is coupled to the oxidative process; the close linking is known as coupled phosphorylation.

From "Silent Spring" by Rachel Carson

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