Definition of "AP"

AP

proper noun
1. (aviation) Initialism of Atlantic Pacific - (Global Indicator used for air fare calculations)
2. (US, education) Initialism of Advanced Placement.
  Quotations
  Joel is AP everything and he's applied to Harvard, so I guess his dad isn't taking any chances.
  2010, Jennifer Egan, “Ask Me if I Care”, in A Visit from the Goon Squad
3. (journalism) Initialism of Associated Press.
4. (US, military) USPS military code of Armed Forces – Pacific.
  Quotations
  • APO/FPO AE ZIPs 094-098 — Space Available Mail, Nov. 26; Parcel Airlift Mail, Dec. 3; Priority Mail, Dec. 10; First Class Mail Letters and Cards, Dec.10 and Express Mail Military Service, Dec. 18.• APO/FPO AA ZIP 340 — Space Available Mail, Nov. 26; Parcel Airlift Mail, Dec. 3; Priority Mail, Dec. 10; First Class Mail Letters and Cards, Dec. 10 and Express Mail Military Service, Dec. 18.• APO/FPO AP ZIPs 962-966 — Space Available Mail, Nov. 26; Parcel Airlift Mail, Dec. 3; Priority Mail, Dec. 10; First Class Mail Letters and Cards, Dec. 10 and Express Mail Military Service, Dec. 18.
  2010 October 29, Bill Shrum, “Shipping to soldiers for the holidays”, in Stuttgart (Arkansas) Daily Leader
5. A placename:
  1. Abbreviation of Andhra Pradesh.
  2. Abbreviation of Amapá. (a state of Brazil)
  3. Abbreviation of Arabian Plate.
noun
countable and uncountable, plural APs
1. (computing) Initialism of access point.
2. (video games) Initialism of action point.
3. (military, US, Navy) Abbreviation of Auxiliary Provisions (a naval transport).
4. (organic chemistry) Initialism of acetylpyrroline.
5. (grammar, sentence parsing) Initialism of adjective phrase; adverbial phrase. (Note: to disambiguate, one can use the abbreviations AdjP and AdvP instead.)
6. (food) Abbreviation of all-purpose flour.
7. (accounting) Initialism of accounts payable.
8. (banking) Initialism of automatic payment.
9. (gambling) Initialism of advantage player.
10. (US, education) An Advanced Placement program
11. (US, uncountable) Initialism of American plan (“hotel rate type”).
12. Initialism of authorized participant.
13. Initialism of affair partner.
14. Initialism of attachment parenting.
15. Initialism of aerosolized pentamidine.
  Quotations
  He pointed out that the annual cost of AP prophylaxis is $2100, and that a single hospitalization for pneumocystis carinii pneumonia (PCP) costs six times that amount. (AP is generally regarded as an effective preventive for PCP)
  1989 April 22, Chris Bull, “Medicare Planning To Cut Funding For AIDS Drugs”, in Gay Community News, page 1
adjective
not comparable
1. Initialism of all-purpose.
2. (medicine) Initialism of anteroposterior.
  Quotations
  AP radiograph shows an exophytic type of exostosis. [image caption]
  2016, B.J. Manaster, “Osteochondroma”, in B.J. Manaster, editor, Diagnostic Imaging: Musculoskeletal: Non-Traumatic Disease, 2nd edition, Philadelphia, PA: Elsevier, page 250
3. (military) Initialism of anti-personnel.
4. (military) Initialism of armor-piercing.
5. Initialism of alternately placed.