Definition of "ATP"

ATP

proper noun
1. (tennis) Initialism of Association of Tennis Professionals: the governing body of men's professional tennis, formed in 1972.
2. (transport, international law) The Agreement on the International Carriage of Perishable Foodstuffs and on the Special Equipment to be used for such Carriage (ATP).
noun
countable and uncountable, plural ATPs
1. (biochemistry) Initialism of adenosine triphosphate.
2. (law, project management) Initialism of authorization to proceed.
  Quotations
  Mr Sumption said: "The object would be to enable the Secretary of State to reconsider the decision, not simply so as to consider the reduction in the scope of the extradition proceedings which arises from the decision of the House of Lords, but to consider whether, in the light of that reduction, it would be right to issue an ATP (authorisation to proceed) at all."
  1999 March 29, “Pinochet lawyers to challenge extradition ruling”, in The Guardian‎
3. (finance) Initialism of average transaction price.
  Quotations
  Industry planners and analysts are closely parsing July’s numbers to try to divine what’s ahead for the industry. One worrisome sign was the decline in the average transaction price, or ATP, paid by the typical buyer in July.
  2020 August 4, Paul A. Eisenstein, “Consumers shopping for a new car are still wary, adding to problems for automakers”, in NBC News‎
4. (rail transport) Initialism of automatic train protection.
5. (aviation) Initialism of airline transport pilot.
prepositional phrase
1. (Internet slang, text messaging) Initialism of at this point; also atp.