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EIDX Collection of Acronyms and Abbreviations

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NOTE: (n.a.) = Not an Acronym; (obs) = Obsolete


U.S. State Abbreviations | Country Codes (used in Internet Addresses) | Airport Codes

Acronyms and Abbreviations - P  See also Glossary - P

This letter last updated 01 March 2003

P Park (vehicle with automatic transmission)
P Parking
P Page
P Paragraph (HTML)
P Pence
P Peso
P Piano (music - refers to volume of voice)
P Pitcher (baseball)
P Phosphorus
p.d. Per Diem (Per Day)
p.m. Post Meridian
P.P.S. Post Post Script (from Latin "post postscriptum")
P.S. Post Script (from Latin postscriptum")
P/N Part number
P2P Peer-to-Peer
P2P Person-to-Person
PA Palo Alto
PA Problem Analysis, part of KTA
PA Programmer/Analyst
PA Public Address system
PABX Private Automatic Branch Exchange
PAC Political Action Committee
PACE Precision Architecture (Spectrum) Computing Environments
PACER Process Acquisition, Characterization and Enhancement Ring
PAD Packet Assembler/Disassembler
PAEB Pan American EDIFACT Board
PAID Pre-Authorized Instant Deduction
PAIN Privacy, Authentication, Integrity, Non-repudiation - "PAIN level" refers to levels of security in an internet implementation
PAL Phase Alternation Line, European color TV standard, except France and USSR
PAL Police Athletic League
PAL Price/Availability List
PAL Programmable Array Logic
PANS Pretty Awesome New Stuff (c.f. POTS)
PAP Password Authentication Protocol
PAR Program-Aid Routine
PAR Project Authorization Request, POSIX
PARC PA Research Center, Xerox
PASCAL (n.a.) programming language, named for Louis Pascal
PAYE Pay As You Earn, Brit. income tax deduction scheme
PBGC Pension Benefits Guarantee Corporation, federal government
PBI Partly Baked Idea
PBX Private Branch Exchange, a local telephone switch
PC Personal Computer
PC Prime Contractor (End-Customer, OEM)
PC Principal Consultant
PC Police Constable (Brit.)
PC Politically Correct
PC Printed Circuit
PC Production Control
PC Project Coordinator
PCA Printed Circuit Assembly, c.f. PCB
PCAD Personal CAD
PCAST President's Committee of Advisers on Science and Technology
PCAT Printed Circuit Assembly Technology
PCB Printed Circuit Board
PCD Kodak Photo CD
PCFV Primary Cause for Variability
PCI Peripheral Component Interconnect
PCI-X PCI eXtended
PCL Printer Command/Control Language
PCM Physical Connect Management, FDDI
PCM Pulse Code Modulation
PCMCIA People Can't Memorize Computer Industry Acronyms
PCMCIA Personal Computer Memory Card International Association
PCME Please Call Me
PCN Personal Commmunications Network
PCN Process Change Notificaton
PC-NOS PC Network Operating Systems
PCO Product(ion) Change Order
PCP PhenCyclidine, hallucinogenic drug
PCP Plug Compatible Peripheral
PCR Part Change Request
PCS Personal Communication System (or Service)
PCT Personal Computer Tape format, similar to Tallgrass (vendor) format
PCX ??Z-Soft PC Paintbrush image (no longer found on Z-Soft website)
PD Paid
PD See p.d.
PDA Personal Digital Assistant (e.g. Palm, Blackberry)
PDA Public Display of Affection
PDC Processor-Dependent Code
PDCA Plan, Do, Check, Action, parts of the Deming Cycle
PDES Product Data Exchange using STEP
PDF Portable Document Format
PDH Plesiochronous Digital Hierarchy, replaced by SDH
PDID Path Descriptor Identifier
PDIP Plastic Dip package
PDL Page Description Language
PDN Part Discontinuance Notice
PDN Public Data Network, a/k/a VAN
PDO Portable Distributed Objects
PDP Product Development Process
PDP Programmed Data Processor, an old DEC product line
PDQ Post Deduct Quantity
PDQ Pretty D___ Quick
PDR Processor Data Rate
PDS Personal Data Storage
PDS Premises Distribution System, centralized building wiring
PDS Product Data Sheet
PDU Protocol Data Unit, FDDI
PE Phase encoded (a format code to record on tape)
PE Physical Education
PE Price-Earnings ratio
PEBCAK Problem Exists Between Chair and Keyboard (a/k/a "pilot error"), c.f. PIBKAB
PEDI Protocol EDI, X.400
PEEL Programmable Electrically Erasable Logic, see EEPLD
PEG Pan European Group (EDI user groups like CEFIC, EAN, EDIFICE)
PEG Price Earnings Growth ratio
PERL Pathologically Eclectic Rubbish Lister
PERL Practical Extraction & Report Language
PERTEC (n.a.) type of digital tape interface
PET Positron Emission Tomography (tracks blood flow)
PEZ PfeffErnmiZ (yes, PEZ candies and dispensers!)
PF Product Focus
PG Parental Guidance, film rating
PG PreGnant (what happens when you lack PG
PG Product Generation
PGA Pin Grid Array package
PGA Professional Golfers' Association
PGP Pretty Good Privacy
PGS Pretty Good Security
PHD Doctor of Philosophy (from Latin, "Philosophiae Doctor")
PHD Piled Higher and Deeper
PHIGS Programmer's Hierarchical Interactive Graphics System
PHP Personal Home Page, now a script language
PHS Personal Handyphone System
PHS Public Health System
PHY Physical Layer Protocol, FDDI
PHYINV Physical Inventory
PHY-PDU Physical Layer Protocol PDU, symbol, FDDI
PIA Peripheral Interface Adapter
PIBKAC Problem Is Between Keyboard and Chair, c.f. PEBCAK
PIC Position Independent Code, a method of doing shared libraries
pid Process ID
PIF Peripheral Interchange Format
PII Personally Identifiable Information
PIM Personal Information Manager
PIN Personal Identification Number
PIN Process Identification Number
PINTO Put In New Transmission Often
PIP Packet Interface Port
PIP Paper Impact Printing
PIP Partner Interface Process, RosettaNet
PIP Patient In Pain
PIP Payload Integration Plan
PIP Peripheral Interchange Program
PIP Picture In a Picture, TV windowing feature
PIP Plot Inconsistencies Project, Red Dwarf
PIP Plural Interfacing Processing (credit card processing)
PIP Pretty In Pink
PIP Problem Isolation Procedure
PIP Process Improvement Process
PIP Product Introduction Plan
PIP Programmable Interconnect Point
PIR Parts Information Report
PIR Post Implementation Review
PIRCS Per Incident RCS
PISS Pie-In-Sky System
PITA Pain In The A**
PIU Peripheral Interface Unit
PKCS Public Key Cryptography Standards, Internet
PKI Public Key Infrastructure
PL Product Line
PL/1 Programming Language 1, old attempt to do it all in one compiler
PLA Programmable Logic Array
PLC Product Life Cycle
PLC Programmable Logic Controller
PLCC Plastic Leaded Chip Carrier (4 sided, J lead)
PLD Programmable Logic Device
PLL Phase-Locked Loop
PLM Product Lifecycle Management
PLM Product Line Manager
PLO Palestinian Liberation Organization
PLOKTA Press Lots Of Keys To Abort
PM Phase Modulation
PM Plant Maintenance module, SAP R/3
PM Preventative Maintenance
PM Procurement Manager
PM Project Manager
PM See p.m.
PMD Physical Medium Dependent, FDDI
PMFJIB Pardon Me For Jumping In, But ...
PMI Project Management Institute
PMOS P-channel Metal-Oxide Semiconductor
PMP Personal Management Profiles
PMP Project Management Professional; certification given by the PMI
PMS Pre-Menstral Syndrome
PN Part number
PNA Paper Napkin Analysis - quick analysis on napkin or envelope
PND Price Non-Disclosure
PNPN Positive-negative-positive-negative


Purchase Order, usually refers to Discrete (Stand-alone) Purchase Order
POC People Of Color
POCSAG Post Office Code Standardization Advisory Group
POEM Peripheral Original Equipment Manufacturer
POET Psychology Of Everyday Things
POETS P--- Off Early, Tomorrow's Saturday (British slang)
POLO Parallel Optical Link Organization
POM Professional Owner Manager
POP Point Of Presence
POP Point-of-Purchase
POP Post Office Protocol (Internet)
POP Precision Optical Performance
POR Pay on Receipt
POR Plan of Record
POS Point Of Sale
POSC Petrotechnical Open Software Corporation
POSIX POrtable Systems Interface standard, UNIX standard from IEEE
POSSLQ Persons of Opposite Sex Sharing Living Quarters
PoST Point-of-Service-Test
POST Power-On Self Test
POTS Plain Old Telephone Service, c.f. PANS
POTUS President Of The United States
POV Point Of View
POW Prisoner Of War
PP Production Planning module, SAP R/3
PPA Potential Problem Analysis, part of KTA
PPB Part-Period Balancing
PPC Production Planning and Control
PPC Preferred Part Coding
PPCMOS Double Polysilicon CMOS
PPE Personal Protective Equipment
PPG Publicity and Promotion Group, EDIFICE
PPI Producers' Price Index
PPI Promotional Products International
ppid Parent Process ID
PPL Parts Price List
PPM Pages Per Minute
PPM Parts Per Million
PPM Pulse Position Modulation
PPN Private Packet Network
PPO Preferred Provider Organization (health care)
PPODS Pictorial Procedure Oriented Design System
PPP Point-to-Point Protocol
PPP Prepaid Prescription Program
PPSN Public Packet Switched Network
PPT Parts-Per-Trillion
PPTP Point-to-Point Tunneling Protocol
PPV Pay Per View
PQFP Plastic Quad Flat Pack
PR Pilot Run
PR Public Relations
PRA Primary Rate Access, ISDN
PRACL Page-Replacement Algorithm and Control Logic
PRC People's Republic of China
PRI Primary Rate Interface, ISDN
PRICAT PRIce/sales CATalogue message, EDIFACT
PRIDCO Puerto Rico Industrial Development Company (government agency)
PRISM Partnership for Research in Information Systems Management
PRM Partner Relationship Management
PRMD Private Management Domain (X.400; defines owner of MTA)
PRML Partial Response Maximum Likelihood
PRO Precision RISC Organization
PROD Production
PROM Programmable ROM
PRW Parents aRe Watching
PS PostScript (printer technology)
PS Project System module, SAP R/3
PS See P.S.
PSDN Public Switched Digital Network
PSI Pounds per Square Inch, units of pressure
PSL Portable Standard Lisp
PSL Preferred Supplier List, c.f. ASL, AML, AVL
PSM Personal Storage Module
PSM Power Supply Module
PSN Packet Switching Network
PSN Personal Server Network
PSP Payment Service Provider
PSP Print Service Provider
PSS Packet Switching Service
PSTN Public Switched Telephone Network
PT Patient
PT PorTugal - internet domain
PTA Parent-Teachers Association
PTB Powers That Be
PTC Parametric Technology Corporation
PTL Praise The Lord, Jim and Tammie Faye's old group
PTO (U.S.) Patent and Trademark Office
PTO Patent Trade Office
PTO Please Turn Over (e.g. at bottom of a page)
PTP Point To Point
PTT Post, Telephone and Telegraph Authority
Pty Proprietary, Australian Equivalent of "Inc."
pty Psedo-Terminal
PU (n.a.) That stinks!
PUC California Public Utilities Commission - ensure consumers have reliable service
PUT Programmmable Unijunction Transistor
PVA Portable Vehicle Analyzer, part of SBDS
PVC Permanent Virtual Circuit
PVC Poly-Vinyl Chloride
PVRA Physical Volume Reserved Area
PWB Programmer's Work Bench, software package from AT&T
PWC PriceWaterhouse Coopers
PX Post eXchange (military)
PX Post eXchange, military stores