: 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

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

Dictionary Entries Near ADP

Cite this Entry

“ADP.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ADP. Accessed 3 Feb. 2023.

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

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