What does PIS stand for?

Parts Identification Service

Passenger Information System

Passive Infrared System

Patent Inventor Service (NITA)

Pathology Information System (SAUS)

Penning Ionization Spectroscopy (PDAA)

Photographic Interpretation Section

Pijin - Language code (ETLW)

Pisa - Italy - Seismograph station code, US Geological Survey - Closed (SEIS)

Piscivorous

Pointable Imaging Spectrometer (SAUS)

Poitiers - France - Airport symbol (OAG)

Polling Interrupt Sequence (SAUS)

Polyisobutylene (EDCT)

Portfolio-Management Information System (SAUS)

Position Indicator System

Positive Ion Source

Postal Inspection Service

Preinfarction Syndrome - Cardiology

Preinsert Sequencing

Pressure-Indicating Switch - Nuclear energy (NRCH)

Primary Immunodeficiency Syndrome - Medicine (EDAA)

Prime Implicant Solution (IAA)

Procedure Interrupt Signal (SAUS)

Process Instrumentation System - Nuclear energy (NRCH)

Process Instrument Sheet

Product Information Specialist

Provisional International Standard

Public Information Specialist (COE)

Public Insurance Service (SAUS)

Pulsed Illumination Source

Pulse Integration System

Stevens Trade School, Lancaster, PA - OCLC symbol (OCLC)

In Pisonem - of Cicero - Classical studies (OCD)

Pistol (SAUS)