ADP

noun

ˌā-(ˌ)dē-ˈpē 

: 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

Milwaukee's hiring rate for young people (ages 20-29) is high, ranking in the 98th percentile according to an ADP study. —Ricardo Torres, jsonline.com, 21 July 2025

Rather than looking at players with an ADP over 100 to count as sleepers, today, only players with an ADP of 200 (via FantasyPros) or more are eligible. —Steve Bradshaw, Forbes.com, 19 July 2025

Try to steal Charbonnet close to his positional ADP. —Michael Salfino, New York Times, 11 July 2025

At least this is like getting a crunch wrap for free, as Pitts is going in the Round 12-13 range based on early ADP. —Jake Ciely, New York Times, 9 July 2025

Word History

Etymology

adenosine diphosphate

First Known Use

1942, in the meaning defined above

Kids Definition

ADP

noun

ˌā-ˌdē-ˈpē 

ā-ˈdē-ˌpē

: a compound formed in living cells that reacts to form ATP

Medical Definition

ADP

noun

ˌā-ˌdē-ˈpē  ā-ˈdē-ˌpē 

: 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