P - Abbreviations list
 p
page | part | participle | past | pence | penny | per | piano | pico- | pint | pipe | population | purl
 P
parity | park | Pastor | pataca | pawn | peseta | peso | peta- | phosphorus | played | power | President | pressure | Priest | Prince | pula
 P2P
peer-to-peer | person-to-person
 pa
Panama
 Pa
pascal | protactinium
 PA
particular average | Pennsylvania | personal account | personal appearance | personal assistant | physician’s assistant | Post Adjutant | power of attorney | press agent | Press Association | prosecuting attorney | public-address (system)
 p.a.
per annum
 P/A
power of attorney
 PABA
para-aminobenzoic acid
 PABX
private automatic branch exchange
 PACE
Police and Criminal Evidence Act
 PACT
prescribing analyses and cost
 PAD
packet assembler/disassembler
 PAH
polycyclic aromatic hydrocarbon
 PAL
phase alternation line
 PAN
Partido Acción Nacional | peroxyacetyl nitrate | primary account number
 p & h
postage and handling
 P & L
profit and loss
 p & p
postage and packing
 PANSE
Public Access Network Sound Engine
 PAR
prime assets ratio
 par.
paragraph | parallel | parenthesis | parish
 Par.
Paraguay
 Parl.
Parliament | parliamentary
 PASCAL
Programme Appliqué à la Sélection et la Compilation Automatique de la Littérature
 pat.
patent | patented
 patd
patented
 Pat. Off.
Patent Office
 pat. pend.
patent pending
 PAU
Pan American Union
 PAX
private automatic exchange
 PAYE
pay-as-you-earn
 PAYG
pay-as-you-go
 Pb
lead
 PB
personal best | petabyte | power brakes | prayer book
 p/b
purpose-built
 PBB
polybrominated biphenyl
 PBR
payment by results
 PBX
private branch exchange
 PC
Parish Council | Parish Councillor | Past Commander | personal computer | Police Constable | politically correct | Post Commander | Prince Consort | printed circuit | Privy Council | Privy Councillor | program counter | Progressive Conservative
 p.c.
after meals | per cent | petty cash | petty cash
 P/C
petty cash | photocopy
 PCB
petty cash book | polychlorinated biphenyl | printed circuit board
 PCC
Professional Conduct Committee
 PC-DOS
Personal Computer Disk Operating System
 PCG
primary care group
 PCI
peripheral component interconnect
 PCL
printer control language
 pcm
per calendar month
 PCM
pulse code modulation
 PCMCIA
personal computer memory card interface adapter | Personal Computer Memory Card International Association
 PCOD
polycystic ovary disease
 PCOS
polycystic ovary (or ovarian) syndrome
 PCP
phencyclidine | Pneumocystis carinii pneumonia | Progressive Conservative Party
 PCR
polymerase chain reaction
 PCS
personal communications services
 PCT
primary care trust
 PC/TV
a personal computer that can receive, decode and display standard television images
 PCU
peripheral control unit
 PCV
passenger-carrying vehicle
 pd
paid
 Pd
palladium
 PD
physical distribution | police department | postal district | public domain
 p.d.
per diem | potential difference
 P-D
price-dividend (ratio)
 PDA
personal digital assistant | public display of affection
 PDF
portable document format
 PDL
page description language | program design language
 PDN
public data network
 pdq
pretty damn quick
 PDR
price-dividend ratio
 PDSA
People’s Dispensary for Sick Animals
 PDT
Pacific Daylight Time
 pe
Peru
 PE
physical education | potential energy | Present Era | Prince Edward Island | probable error | Protestant Episcopal
 p.e.
printer’s error
 P/E
price/earnings
 PEEP
positive end-expiratory pressure
 PEFR
peak expiratory flow rate
 PEI
Prince Edward Island
 pel
picture element
 PEN
International Association of Poets, Playwrights, Editors, Essayists, and Novelists
 Pen.
Peninsula
 PEP
Personal Equity Plan
 PER
price-earnings ratio
 perf.
perfect | perforated | performance
 PERLA
pupils equal, react to light and accommodation
 per pro
per procurationem
 PERT
programme evaluation and review technique
 PESA
percutaneous epididymal sperm aspiration
 PESC
Public Expenditure Survey Committee
 PET
polyethylene terephthalate | positron emission tomography
 Pet.
Peter
 petrol.
petrology
 pf
French Polynesia
 pF
picofarad
 pf.
preferred | perfect | pfennig
 PFBC
pressurized fluidized-bed combustion
 PFC
perfluorocarbon
 PFD
personal flotation device | preferred
 PFI
Private Finance Initiative
 pg
Papua New Guinea
 PG
parental guidance | paying guest | postgraduate
 Pg.
Portuguese
 PGA
Professional Golfers’ Association
 PGCA
payment gateway certificate authority
 PGCE
Postgraduate Certificate of Education
 PgDn
page down (key)
 PGEA
postgraduate education allowance
 PGP
Pretty Good Privacy
 PgUp
page up (key)
 PGx
pharmacogenetics
 ph
Philippines
 pH
potential of hydrogen
 Ph
phenyl group
 PH
public health
 pharm.
pharmaceutical | pharmacist | pharmacy
 Pharm.
Pharmacopoeia
 PhB
Bachelor of Philosophy
 PhD
Doctor of Philosophy
 PHI
permanent health insurance
 PHIGS
programmers’ hierarchical interactive graphics standard
 phil.
philological | philology | philosopher | philosophical | philosophy
 Phil.
Philharmonic | Philippians | Philippines
 Phil.
Philippine Islands
 PHS
Public Health Service
 PI
performance indicator | private investigator
 PIA
peripheral interface adapter | Personal Investment Authority
 PIB
permanent interest-bearing share
 PIBOR
Paris Interbank Offered Rate
 PIBS
permanent interest-bearing shares
 PIC
picture | product of incomplete combustion
 Pick
a multi-user, multitasking operating system that runs on mainframe, mini or personal computers
 PICS
platform for Internet content selection
 PID
pelvic inflammatory disease | personal identification device | prolapsed intervertebral disc
 PIDS
primary immune deficiency syndrome
 PIH
pregnancy-induced hypertension
 PILOT
programmed inquiry, learning, or teaching
 PIM
personal information manager
 PIN
personal identification number
 PIO
parallel input/output
 PIP
proximal interphalangeal
 PIPO
parallel input/parallel output
 pippie
person inheriting parents’ property
 PISO
parallel input/serial output
 PIW
period of incapacity for work
 pk
pack | Pakistan | park | peak | peck
 PK
psychokinesis
 PKD
polycystic kidney disease
 PKI
public key infrastructure
 pkt
packet
 PKU
phenylketonuria
 Pky
parkway
 pl
plural | Poland
 PL
public law
 Pl.
Place
 PLA
Port of London Authority | programmable logic array
 PLAN
Packet Language for Active Networks
 plc
public limited company
 PLC
product life cycle
 PLD
programmable logic device
 PLO
Palestine Liberation Organization
 PLP
Parliamentary Labour Party
 PLR
Public Lending Right
 PLS
please
 PLSS
portable life-support system
 PLZ
please
 pm
phase modulation | postmortem | premium | St-Pierre and Miquelon
 Pm
promethium
 PM
particulate matter | Past Master | postmaster | postmortem | Prime Minister | private message | Provost Marshal
 p.m.
post meridiem
 PMA
progressive muscular atrophy
 PME
petites et moyennes entreprises
 PMG
Paymaster General | Postmaster General | Provost Marshal General
 pmol
picomole
 PMR
polymyalgia rheumatica
 PMS
premenstrual syndrome
 PMT
premenstrual tension
 PMTS
predetermined motion-time system
 pn
Pitcairn Island
 PN
promissory note
 PNdB
perceived noise decibel
 PNL
perceived noise level
 PNS
peripheral nervous system
 Po
polonium
 PO
Petty Officer | Pilot Officer | post office | postal order | purchase order
 p.o.
by mouth
 POA
Prison Officers’ Association
 PO Box
Post Office Box
 POD
pay on delivery
 POE
port of embarkation | port of entry
 poet.
poetic | poetical | poetry
 POETS day
push (or piss) off early, tomorrow’s Saturday
 POEU
Post Office Engineers Union
 POL
petroleum, oil, and lubricants | problem-oriented language
 pol.
political | politics
 POM
phase of (the) moon | prescription-only medicine
 POP
persistent organic pollutant | point of presence | point of purchase | Post Office Preferred | progestogen-only pill
 pop.
popular | population
 POPA
point-of-purchase advertising
 POS
point of sale
 POSSLQ
person of the opposite sex sharing living quarters
 POST
point-of-sale terminal | power-on self-test
 Postcomm
Postal Services Commission
 post-obit
post-obitum
 POTUS
President of the United States
 POV
point of view
 POW
prisoner of war
 pp
pages | past participle | per procurationem | pianissimo | privately printed
 PP
parcel post | parish priest | past president | postpaid | prepaid | prepositional phrase
 p.p.
after a meal
 ppb
parts per billion
 PPBS
Planning Programming Budgeting System
 PPD
purified protein derivative
 PPH
postpartum haemorrhage
 pphm
parts per hundred million
 ppm
parts per million
 PPP
personal pension plan | petty pet peeve | point-to-point protocol | polluter-pays principle | public-private partnership purchasing-power parity
 pptm
parts per thousand million
 PPU
peripheral processing unit
 PPV
pay-per-view | positive pressure ventilation
 pr
pair | Puerto Rico
 Pr
praseodymium
 PR
proportional representation | public relations | Puerto Rico
 pr.
pronoun
 PRB
Pre-Raphaelite Brotherhood
 PRC
People’s Republic of China
 pref.
preface | prefatory | preference | preferred | prefix
 PREP
post-registration education and practice
 prep.
preparation | preparatory | preposition
 pres.
present | presidential
 Pres.
President
 p.r.n.
as required
 pro
professional practice
 PRO
Public Record Office | public relations officer
 Prof.
Professor
 PROFS
Professional Office System
 prog.
program | programme | progress | progressive
 Prog.
Progressive
 Prolog
programming logic
 PROM
programmable read-only memory
 prom.
promontory
 pron.
pronominal | pronoun | pronounced | pronunciation
 prop.
proper | properly | property | proposition | proprietor
 propr.
proprietor
 pros.
prosody
 Pros.
prosecuting attorney
 Prot.
Protectorate | Protestant
 prov.
province | provincial | provisional
 Prov.
Provençal | Proverbs | Provost
 prox.
proximo
 PRP
performance-related pay | profit-related pay
 prs
pairs
 PRT
petroleum revenue tax
 pS
picosecond
 PS
passenger steamer | Permanent Secretary | phrase structure | Police Sergeant | postscript | private secretary | prompt side
 Ps.
Psalms
 PSA
prostate specific antigen | Public Service Association
 Psa.
Psalms
 PSBR
public-sector borrowing requirement
 PSDR
public-sector debt repayment
 PSE
personal and social education
 pseud.
pseudonym
 psf
pounds per square foot
 PSFD
public-sector financial deficit
 Psge
Passage
 PSHE
personal, social, and health education
 psi
pounds per square inch
 psia
pounds per square inch, absolute
 psid
pounds per square inch, differential
 psig
pounds per square inch, gauge
 PSL
private sector liquidity
 PSN
packet switched network
 PSNCR
public-sector net cash requirement
 PSNI
Police Service of Northern Ireland
 PSS
packet switching service | packet switching system
 PST
Pacific Standard Time | provincial sales tax
 PSTN
public switched telephone network
 PSU
power supply unit
 PSV
public service vehicle
 PSW
processor status word
 psych.
psychological | psychology
 psychoanal.
psychoanalysis
 psychol.
psychological | psychologist | psychology
 pt
part | patient | payment | pint | point | port | Portugal
 Pt
platinum | Point | Port
 PT
Pacific Time | physical therapy | physical training | postal telegraph
 pt.
preterite
 p.t.
part-time | past tense | pro tem(pore)
 pta
peseta
 PTA
Parent-Teacher Association | Passenger Transport Authority
 PTB
powers that be
 PTC
phenylthiocarbamide
 Pte
private limited company | Private
 PTE
Passenger Transport Executive
 PTFE
polytetrafluoroethylene
 ptg
printing
 PTH
parathyroid hormone
 PTN
public telephone network
 PTO
Patent and Trademark Office | please turn over
 PTR
paper tape reader
 pts
parts | payments | points | ports
 PTSD
post-traumatic stress disorder
 PTV
pay television
 Pty
proprietary company
 Pu
plutonium
 pub
public house
 pub.
public | publication | published | publisher | publishing
 publ.
publication | published | publisher
 PUC
preuniversity college
 putts
puttonyos
 PV
photovoltaic | present value
 PVA
polyvinyl acetate
 PVC
polyvinyl chloride
 PVS
persistent vegetative state | postviral syndrome
 Pvt.
Private
 pw
Palau
 PW
Palau | Policewoman
 p.w.
per week
 PWA
person with Aids
 PWC
personal watercraft
 PWR
pressurized-water reactor
 pwt
pennyweight
 PX
Pedro Ximénez | Post Exchange
 py
Paraguay
 PYB
preceding year basis
 PYO
pick your own


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Abbreviations