What does PIE stand for?

Air South West - British - FAA designator (FAAC)

Clearwater-St. Petersburg - Florida - Airport symbol (AD)

Elwyn Institute, Elwyn, PA - OCLC symbol (OCLC)

Pacific Information Exchange - Information service or system (IID)

Pacific Intercultural Exchange (SAUS)

Pacific Intermountain Express (SAUS)

Pacific Islands Ecosystems - Springfield, VA - Department of the Interior - No longer available online - Information service or system

Pacing Item Evaluation (MCD)

Paedophile Information Exchange - British (ILCA)

Paradoxical Inhibitory Effect - Medicine (EDAA)

Para-infectious Encephalopathy - Medicine (EDAA)

Parallel Instruction Execution - Computer science (BUR)

Parallel Interface Element

Partners in Education (SAUS)

Patent Information Exploitation - Canadian Patent Office

Payload Integration Equipment - NASA (MCD)

Payroll Audit, Indexing, and Expiration

Period of Interruption of Employment (WDAA)

Peripheral Interface Element - Computer science (IAA)

Personal Intelligent Electronics - Computer science (AGLO)

Personal Interactive Electronics - Apple Computer Inc.

Photo Image Enhancement (ACAE)

Photo-Induced Electrochromism

Piedmont Hdw. Co. - NCIC firearms make code (NCIC)

Pietermaritzburg - South Africa - Seismograph station code, US Geological Survey - Closed (SEIS)

Pipestone Petroleums, Inc. - Toronto Stock Exchange symbol - Vancouver Stock Exchange symbol

Piro - Language code (ETLW)

P/L Integration Equipment (SAUS)

Plug-In Electronics

Plug-In Extension

Plume Interaction Experiment - Army

Pocket Internet Explorer - Microsoft Corp. - Computer science

Polar Ice Extent (SAUS)

Poly(iminoethylene) - Organic chemistry

Portable Information Evaluation

Position Indicating Equipment (SAUS)

Positive-Ion-Emission (ODA)

Postinfectious Encephalomyelitis - Medicine (RAWO)

Post-Irradiation Examination - Nuclear energy (NRCH)

Post-Irradiation Experiment - Nuclear energy (NRCH)

Pre-Impact Event - Automotive safety

Preimplantation Embryo - Medicine (EDAA)

Price in Effect - Military

Primary Industry and Energy

Problem, Intervention, Evaluation - Medicine (IDYL)

Program for Increased Education - Military

Program Interrupt Element - Computer science (IAA)

Program Interrupt Entry - Computer science

Programmable Interface Electronics (SAUS)

Programming and Instrumentation Environment - Computer science

Prolog Inference Engine - Computer science

Proposal Information Exchange - Military

Prosthetic Infectious Endocarditis - Medicine (EDAA)

Proto-Indo-European - Language (BARN)

Publications Indexed for Engineering - A publication

Public Interest Economics Foundation - Defunct (EA)

Pulmonary Infiltration with Eosinophilia - Medicine

Pulmonary Interstitial Edema - Medicine (DAVI)

Pulmonary Interstitial Emphysema - Medicine

Pulse Interference Elimination

Pulse Interference Eliminator - RADAR

Pulse Interference Emitting (MCD)

Pyrotechnically Initiated Explosive (SAUS)

St. Petersburg - Florida - Airport symbol (OAG)