Acronyms and abbreviations in English.

An acronym is a word or name formed as an abbreviation from the initial components of a phrase or a word, usually individual letters. There are no universal standards for the multiple names for such abbreviations or for their orthographic styling.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

There are 296 terms in this directory beginning with the letter P.

page

p.a.

per annum (per year)

P.A.A.

Phillips Academy, Andover

P.C.

Police Constable

p.m.

post meridiem (after noon)

p.p.

per pro (used before signing in a person's absence)

P.R

Puerto Rico

p.s.

post scriptum

p.w.

per week

P/T

Pre-Tensioner

P02

Partial Pressure of Oxygen

1. personal assistant.
2. Panama.
3. Perfect Attendance.

pa.t.

past tense

PABG

Pack A Big Gun

PAC

1. Public Affairs Committee.
2. Public Accounts Committee.

PACE

Property Advisers to the Civil Estate (Agency of the cabinet office)

PACT

Partnership Against Car Theft

PACTS

Parliamentary Advisory Committee for Transport Safety

PAG

Projections Advisory Group (EUETS, DTI-LED Group)

PAGA

Public Address and General Alarm

PAH

Polycyclic Aromatic Hydrocarbons

PAHO

Pan American Health Organization

PAHs

Polycyclic aromatic hydrocarbons

Palaeogr.

in Palaeography

Palaeont. in Palaeontology; (in titles) Palaeontology, -ical pa. pple.

passive participle, past participle

PAMOC

Properties of Atoms and Molecules in Molecular Crystals

PAN

Planning Advice Note (Scotland)

PAPA

Prepare to Abandon Platform Alarm

PAR

1. PNNI augmented routing.
2. Parabolic Aluminum Reflector.

PARK

Pottstown AMATEUR RADIO KLUB

Partridge

(quoted from) E. Partridges Dictionary of Slang and

PAS

Power Assisted Steering

PAT

Professional Association of Teachers

Path.

(as label) in Pathology; (in titles) Pathology, - ical

PAVD

Physical Agents (Vibration) Directive

PAWA

Portland Amateur Wireless Association

PBA

Predictive Brake Assist

PBB

Polybrominated Biphenyl

PBC

Peak Braking Coefficient

PBD

Programmer Brain Damage

PBDE

Polybrominated Diphenylether

PBIT

Profit Before Interest and Taxation

PBK

1. Phi Beta Kappa.
2. Phonebook.
3. Pro Bike Kit.
4. Perfect Bass Kit.
5. Premier Bath and Kitchen.

PBKAC

Problem Between Keyboard and Chair

PBL

Problem-based learning

PBM

Play By Mail (Games)

PBPR

1. Palm Beach Public Relations.
2. Packed Bed Photo Reactor.
3. Patient based partner referral.

PBR

Pre-Budget Report

PBRS

Packed Bed Reactors

PBS

1. Performance Based Standards (Australia).
2. phosphate-buffered saline.

PBT

1. Polybutylene Terephthalate.
2. Persistent, Bioaccumulative or Toxic.

1. Passenger Car.
2. Public Citizen (US).
3. Personal Computer.
4. Postal Code (United Kingdom).

PCB

1. Polychlorinated Biphenyl.
2. Printed Circuit Board.
3. Please Call Back.

PCD

Programmed cell death

PCFCO

Passenger Car Fuel Consumption Order

PCMB

Prokaryotic Cell and Molecular Biology

PCN

Polychlordinated Naphthalene

PCNTA

Passenger Car National Type Approval

PCR

polymerase chain reaction

PCT

Patent Cooperation Treaty

PCU

Passenger Car Unit

PCV

1. Passenger Carrying Vehicle (Not for hire organisation reward).
2. Passenger Carrying Vehicle.
3. Pedestrian Controlled Vehicle.

PCYLIH

Please Cross Your Legs, I Have Only One Nail Left

1. Public Domain.
2. program director.

PDA

Public Display of Affection

PDB

Progressive Deformable Barrier

PDD

Project Definition Document.

PDE

Picture Display Equipment

PDF

Portable Document Format

PDL

Product Design Lead.

PDM

Product Data Management

PDN

Public Data Network

PDP

Positive Displacement Pump

PDQ

Pretty Damn Quick

PDT

Product Design Team.

PDU

protocol dataunit

1. provider edge.
2. Peru.
3. Physical Education.
4. Preliminary Evaluation.

PEA

Phillips Exeter Academy

PEBCAK

Problem Exists Between Chair And Keyboard

PEBKAC

Problem Exists Between Keyboard And Chair

PEC

Packaging of Explosives for Carriage Regulations

PECA

Protocol (to European Agreement) on European Conformity Assessment

PEEL

Point, Example, Evidence, Link

PEFS

Process Engineering Flow Scheme

PELV

Premature End-of-Life Vehicle

PEM

1. Polymer Electrolyte Membrane.
2. Photo electron microscope.

PEMFC

Proton Exchange Membrance Fuel Cell

PEMS

Portable Emissions Measurement System

PEOD

Program Evaluation and Organizational Development

PEP

Pan-European Programme

perh. perhaps Pers.

Persian

PERKESO

Pertubuhan Keselamatan Sosial Malaysia

pers.

person, -al

PESG

Personal Export Sales Group

PET

Polyethylene Terephthalate

PETM

Paleocene-Eocene Thermal Maximum

Petrogr.

in Petrography

Petrol.

(as label) in Petrology; (in titles) Petrology, - ical

Pettman

(quoted from) C. Pettmans Africanderisms

French Polynesia

pf.

perfect

PF&HOM

Printed, Framed & Hanging On My Wall

PFA

Production Flow Analysis

PFC

1. Perfluorcarbon.
2. Peak Friction Coefficient.

PFCI

Pediatric Functional Capacity Index

PFI

Private Finance Initiative

PFM

Pure fucking Magic

PFY

Pimply Faced Youth

1. Performance Gain.
2. Papua New Guinea.

Pg.

Portuguese

PG(W)PP

Planning Guidance (Wales): Planning Policy (published april 1999)

PGAD

Persistent Genital Arousal Disorder

PGDBM

Post Graduate Diploma in Business Management

PGDCA

Post Graduate Diploma in Computer Application

PGDE

Post Graduate Diploma in Education

PGECET

Post Graduate Engineering Common Entrance Test

PGIMER

Postgraduate Institute of Medical Education and Research

PGP

Post-graduate program

PGS

Post-graduate Studies

PGSWM

Parlimentary Group for Sustainable Waste Management

PGY

Post Graduate Year

Philippines, Republic of the

Pharm.

in Pharmacology

PHAT

Pamoja Hip Afrika Tunawakilisha

PHB

1. per-hop behavior.
2. poly-beta-hydroxybutarate.
3. Polyhydroxybutyrate.

PhD

Piled Higher and Deeper

PHI

Philippines

PHIL

Philippines

Philol.

(as label) in Philology; (in titles) Philology, - ical

Philos.

(as label) in Philosophy; (in titles) Philosophy, - ic

phonet.

phonetic, -ally

Photogr.

(as label) in Photography; (in titles) Photography, -ical

PHP

penultimate hop pop

phr.

phrase

PHVs

Private Hire Vehicles

Phys.

physical; (rarely) in Physiology

Physiol.

(as label) in Physiology; (in titles) Physiology, -ical

1. Performance Indicator.
2. Project Integra (Hants Districts & Unitaries Waste Management Contract).

PIA

1. Petroleum Industry Association.
2. Personal Injury Accident.

PICNIC

Problem In Chair, Not In Computer

Pict.

(in titles) Picture, Pictorial

PID

Pelvic inflammatory disease

PIH

1. prolactin inhibiting hormone.
2. Partners in Health.

PIMO

Paper Industry Materials Organisation

PIMOT

Motor Transport Institute (Poland)

PIMP

Pee In My Pants (of tenin combination)

PINS

Personal Indentification Number String

PIRG

Public Interest Research Group

PITA

Pain In The Ass

Pakistan

PKB

Pot, Kettle, Black!

PKU

Phenylketonuria

Poland

pl., plur.

plural

PlantTFDB

Plant Transcription Factor Database

PLBKAC

Problem Lies Between Keyboard And Chair

PLC

1. phospholipase C
2. ( Plc ) - public limited company

PLEB

Peoples Law Enforcement Board

PLG

Private and Light Goods

PLHA

People Living with HIV/AIDS

PLM

Product Lifecycle Management

PLMKO

Please Let Me Know, Ok?

PLN

peripheral lymph nodes

PLOKTA

Press Lots Of Keys To Abort

1. St. Pierre And Miquelon.
2. Program/Project Manager.
3. Parking Management.
4. Particulate Matter.

PMAC

Primary Ministers Approval Certificate

PMBI

Pardon My Butting In

PMCID

PubMed Central ID

PMETC

Pardon Me,etc.

PMF

Proton Motive Force

PMFBI

Pardon Me For Butting In

PMFBR

Pardon Me For Being Rude

PMFJI

Pardon Me For Jumping In

PMFJIH

Pardon Me For jumping In Here.

PMJI

Pardon My Jumping In

PMMA

Polymethylmethacrylate

PMP

Particulate Measurement Programme

PMR

Private Mobile Radio

PMRSA

Prince Michael Road Safety Awards

PMS

Punctuation Made Simple

PMYMHMMFSWGAD

Pardon Me, You Must Have Mistaken Me for Someone Who Gives A Damn

Pitcairn

PNC

Police National Computer

PNCAP

Primary (safety) New Car Assessment Programme

PNEC

Predicted no Effect Concentration

PNGV

Partnership for a New Generation of Vehicles (USA)

PNNI

Private Network-to-Network Interface

PNS

Peripheral nervous system

POC

1. Point of Connection (electricity).
2. Planning Officers Society (formerly cpos).
3. Prisoner Of Chat.
4. Peeping Other Chatters.

POD

Port/ Point of Destination

poet.

poetic, -al

POETS

Piss On Everything, Tomorrows Saturday; Piss Off Early, Tomorrow

POITS

Piss On It Tomorrows Saturday

Pol.

1. Polish.
2. (as label) in Politics; (in titles) Politics, - al.

Pol. Econ.

in Political Economy

Polit.

(in titles) Politics, -al

POM

Phase Of the Moon

POMP

Pervasive Object Model Project

POMSTER

Placing on the Market and Supervision of Transfer of Explosives Regulations

POP

Point Of Presence; Post Office Protocol

pop.

popular, -ly

POQ

1. Piss Off Quickly.
2. Per Order of Questions.

POQADC

Piss Off Quickly and Dont Come Back!

Porc.

(in titles) Porcelain

POS

Packetover (on) SONET

poss.

possessive

POSSLQ

Person of Opposite Sex Sharing Living Quarters

Pott.

(in titles) Pottery

POTW

Publicly Owned Treatment Works

POV

Point Of View

Polypropylene

PPA

1. Power Purchase Agreement.
2. Pay Per Action.

PPC

1. Pakistan Penal Code.
2. Pay per click.
3. Pollution Prevention & Control Regulations.
4. Planning Policy Guidance.
5. Pollution Prevention Guidance.

PPE

Personal Protective Equipment

PPL

PeoPLe

ppl. a., pple. adj.

participial adjective

pple.

participle

PPM

1. Public Performance Measure.
2. Parts per Million.

PPN

Programmer Project Number (currently known as User ID)

PPORD

Product and Process Oriented Research and Development (Reach)

PPP

1. Petty Pet Peeve.
2. Pointto Point Protocol.
3. Public Private Partnerships.

PPPP

Previous Paragraph was Polemical Position

PPT

Powe Pallet Truck, Similar to FLT

PPTS

Prospective Piloted Transport System (Russian Federal Space Agency)

PQQ

Pre-Qualifications Questionaire

1. public relations.
2. Puerto Rico.
3. Problem Report.
4. Project Request.
5. Page Rank.
6. Producer Responsibility.

Pr.

1. Provencal
2. ( pr. ) - present

pr. pple.

present participle

PRA

Petrol Retailers Association

Pract.

(in titles) Practice, -al

PRCO

Policing and Reducing Crime

PRCU

Policing and Reducing Crime Unit

PRD

Program Requirements Document.

prec.

preceding (word or article)

pred.

predicative

pref.

prefix

pref., Pref.

preface

prep.

preposition

pres.

present

PRG

Producer Responsibility Group

PRH

Prolactin releasing hormone

PRI

Prevention Routiere International

PRIA

Partial Regulatory Impact Assessment

Princ.

(in titles) Principle, -s

priv.

privative

PRN

Packaging Recovery Note (Proof of Compliance under Packaging Regs)

PRO

Producer Responsibility ObligationS (Packaging Waste) RegulationS

prob.

probably

Probl.

(in titles) Problem

Proc.

(in titles) Proceedings

pron.

pronoun

pronunc.

pronunciation

prop.

properly

Pros.

in Prosody

Prov.

Provencal

1. Post Scriptum.
2. Post Script.
3. Play Station.
4. Palestine.
5. Physical Science.
6. Pull Sits.
7. Public Sewer.
8. Polystyrene.

PSA

Public Service Agreement

PSAE

1. Pittsburgh Society of Association Executives.
2. Prairie State Achievement Examination.

PSAS

Persistent Sexual Arousal Syndrome

PSB

Programme Supervisory Board

PSBRTF

Penn State Bus Research and Testing Facility

PSC

PHB scheduling class

PSDB

Police Scientific Development Branch

PSDE

Programme for the Study of Discrimination and Exclusion

PSE

Ponce, Puerto Rico Airport code. Mercedita Airport.

PSPF

Public Symphisis Peak Force

PSR

Passenger Services Requirement

PSSH

Physical Symbol System Hypothesis

PSSM

1. Position-specific scoring matrix.
2. Persatuan Sains Sosial Malaysia (Malai).

PSSRU

Personal Social Services Research Unit (UK)

PSTC

Pak Swiss Training Centre

PSTN

Public Switched Telephone (Telephony) Network

PSVAR

Public Service Vehicle Accessibility Regulations

Psych.

in Psychology

Psychol.

(as label) in Psychology; (in titles) Psychology, -ical

1. Physical Training.
2. Portugal.
3. Public Transport.

PTA

Passenger Transport Authority

PTB

Powers That Be

PTE

Passenger Transport Executive

PTI

1. Pennsylvania Transport Institute.
2. Periodic Technical Inspection.

PTM

Please Tell Me

PTMM

Please Tell Me More

PTO

1. Patent and Trademark Office (USGovt).
2. Please Turn Over.
3. Permission To Officiate.

PTT

Push to Talk

PTW

Powered Two Wheeler

Publ.

(in titles) Publications

PUBS

Publications

PUOSU

Put Up Or Shut Up

PUWER

1. Provision & Use of Work Equipment Regulations 1988.
2. Proposed Provision & Use of Work Equipment Regulations 1997.

PV-UK

British Photovoltaic Association

PVC

1. Polyvinyl Chloride.
2. permanent virtual circuit.

1. Pathetic Wanker.
2. Pow Wow.
3. Palau.

PWG

Pathology Working Group

PWT

Penny weight (see also dwt)

Paraguay

PYLUSD

Placentia Yorba Linda Unified School Distericct

Acronyms and abbreviations in English.

Acronyms

Contact

About us