ATP

[ey-tee-pee]

abbreviation

Biochemistry.

1. adenosine triphosphate: an ester of adenosine and triphosphoric acid, C 10 H 12 N 5 O 4 H 4 P 3 O 9 , formed especially aerobically by the reaction of ADP and an orthophosphate during oxidation, or by the interaction of ADP and phosphocreatine or certain other substrates, and serving as a source of energy for physiological reactions, especially muscle contraction.

ATP

¹

noun

1. adenosine triphosphate; a nucleotide found in the mitochondria of all plant and animal cells. It is the major source of energy for cellular reactions, this energy being released during its conversion to ADP. Formula: C 10 H 16 N 5 O 13 P 3

ATP

²

abbreviation

1. advanced turboprop

2. Association of Tennis Professionals

3. automatic train protection: a safety system which automatically prevents a train from passing through a stop signal

ATP

1. Short for adenosine triphosphate. An organic compound, C ₁₀ H ₁₆ N ₅ O ₁₃ P ₃, that is composed of adenosine and three phosphate groups. It serves as a source of energy for many metabolic processes. ATP releases energy when it is broken down into ADP by hydrolysis during cell metabolism.

ATP

1. A key energy-carrying molecule in biological systems. It is produced in the body through the process of cell respiration and in plants through photosynthesis.

Word History and Origins

Origin of ATP¹

First recorded in 1940–45

Example Sentences

Another pulsating contest between the preeminent pair on the men's tour - this time with the season-ending ATP Finals trophy at stake - was a fitting conclusion.

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Jannik Sinner cut a delighted figure on Sunday after he finished a turbulent season in the best possible fashion, seeing off rival Carlos Alcaraz in straight sets to retain his ATP Finals title.

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De Minaur had lost his past 16 matches against top 10 players, and each of the five matches he had previously played at the ATP Finals.

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He qualified for the ATP Finals as the third-best player on the men's tour but pulled out the day before the tournament with injury.

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Carlos Alcaraz battled to victory over Taylor Fritz at the ATP Finals on Tuesday, moving to within one win of securing the year-end number one ranking for the second time.

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When To Use

What else does ATP mean?

While it can stand for many things, the initialism ATP commonly stands for the Association of Tennis Professionals, the cell-powering chemical adenosine triphosphate, and at this point.