ADP

American  

[ey-dee-pee] / ˈeɪˈdiˈpi /

abbreviation

1. 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.

2. Computers. automatic data processing: the processing of data by computers or related devices, using techniques that reduce human intervention to a minimum.

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ADP British  

noun

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

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ADP Scientific  

/ ā′dē′pē′ /

1. 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

Aena shares are actually up 3% in the last month, with Fraport down 1% and ADP losing 3%.

From Barron's • Apr. 3, 2026

There’s a disconnect between low unemployment rates and worker sentiment, said Nela Richardson, chief economist at ADP.

From MarketWatch • Apr. 3, 2026

Hiring and firing trends do remain muted in the ADP data, a trend that was echoed in the February Job Openings and Labor Turnover Survey release on Tuesday.

From Barron's • Apr. 1, 2026

Job growth in the private sector rose at a solid pace in March for the second straight month, according to payroll company ADP.

From MarketWatch • Apr. 1, 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