ATP

[ ey-tee-pee ]

abbreviation for

, 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

abbreviation for

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

²

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

/ ā′tē′pē′ /

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

ATP Player Council members Gilles Simons and Sergiy Stakhovsky were recently both critical of the equal-pay policy.

From The Daily Beast

Despite this, he finished the year 17–0, winning three tournaments and bashing Nadal in the ATP Tour Finals.

From The Daily Beast

The ATP was once a seriously badass union, with a brand of solidarity that would make Marvin Miller proud.

From The Daily Beast

Murray reports that an ATP Tour Manager advised them against taking the court, but seemingly could do no more than that.

From The Daily Beast

The ATP will threaten to nuke the TP, totally unaware that the TP also possesses nukes set to launch on warning.

From The Daily Beast

It was very amusing to see the attention bestowed upon him atp.

From Project Gutenberg

Accompanied by the boys John went among the sufferers, and administered the medicine, giving atp.

From Project Gutenberg

Boys was only a fellow-student, whose acquaintance Erasmus had made atp 104 Montaigu.

From Project Gutenberg

It was named adenosine triphosphate or adenyltriphosphoric acid, usually abbreviated by the symbol ATP.

From Project Gutenberg