What does PS stand for?

Abbott Laboratories - Research code symbol

American Political Science Association. Quarterly - A publication

Brazilian Socialist Party - Political party (PSAP)

Chemical Agent/Tear Gas, Chloropicrin (SAUS)

Chloropicrin - Poison gas - Army symbol

Elementary and Early Childhood Education - Educational Resources Information Center (ERIC) Clearinghouse - University of Illinois (PAZ)

Pacemaker Syndrome - Medicine (MELL)

Pace Setter (MHDI)

Pacifc Southwest Airlines (SAUS)

Pacific Southwest Airlines - ICAO designator (OAG)

Pacific Star Communication - Vancouver Stock Exchange symbol

Packet Scheduler (MWOL)

Packet Send Sequence Number

Packet Switch (SAUS)

Packet Switcher (or Switching) (SAUS)

Packet Switching - Telecommunications

Packet Switch Stream - British - Computer science (TNIG)

Packing Sheet (MCD)

Packing Standards (SAUS)

Paddle Steamer (ADA)

Paediatric Surgery

Paget-Schroetter - Syndrome - Medicine (DB)

Painting System

Pakistan Standard (IAA)

Palau - GeoNet country code (GEON)

Paleontological Society (EA)

Palm Society - Later, IPS (EA)

Paltauf-Sternberg - Disease - Medicine (DB)

Pan Salicornia Zone - Ecology

Paper Show

Paper Structure (SAUS)

Parachute Subsystem - NASA (NASA)

Parade State (SAUS)

Paradoxical Sleep

Parallel Single - Outdoor advertising (NTCM)

Parallel to Serial (NITA)

Paramagnetic Scheromak

Parameter Set for (SAUS)

Paranoid Schizophrenia - Medicine (MELL)

Paranoid State - Medicine (EDAA)

Parapsychological Society (SAUS)

Paraspinous (SAUS)

Parenteral Society (SAUS)

Parents of Suicides (EA)

Parents' Section of the Alexander Graham Bell Association for the Deaf (EA)

Parity Switch

Parliamentary Secretary - British

Parlor Snake - Slang for "to escort visitors around post"

Parochial School

Parrot Society (EA)

Par Selling (MHDB)

Partially Sighted (AIE)

Partially Smutted - Plant pathology

Partially Synergistic - Pharmacology

Partial Seizure (MELL)

Participating Scientist (ACAE)

Particle Simulation (SAUS)

Partido Socialista - Socialist Party - Uruguay - Political party

Partido Socialista - Socialist Party - Chile - Political party

Partido Socialista Portuguesa - Portuguese Socialist Party - Political party (PPE)

Partido Socialista - Uno - Socialist Party - One - Also, PS-1 - Bolivia - Political party (PPW)

Parti Socialiste - Socialist Party - Belgium - Political party (PPW)

Parti Socialiste - Federation de la Reunion - Reunion Federation of the Socialist Party - Political party (PPW)

Parts Shipped (or Shipper) (SAUS)

Parts Shipper

Part Surface (IAA)

Pass - Telegraphy (PCTE)

Passed School of Instruction - of Officers - British

Passenger Service

Passenger Steamer

Passing Scuttle

Passive Smoke (MELL)

Pastel Society - British

Pathological Staging (SAUS)

Pathological (Surgical) Staging - For Hodgkin's Disease

Pathologic Stage

Patient's Serum - Medicine

Patrologia Syriaca (BJA)

Patrol Service - British military (DMA)

Patrol Ship (CINC)

Patton Society (EA)

Pause Statement (SAUS)

Payload Shroud (MCD)

Payload Specialist - NASA (MCD)

Payload Station - NASA (MCD)

Payload Support - NASA (NASA)

Paymaster Sergeant

Pedal Sinus

Pediatric Surgery (DAVI)

Pellegrini-Stieda - Disease - Medicine (DB)

Pellet Size

Penal Servitude

Penny Stock - Investment term

Pension Trust, Profit-Sharing, Stock Bonus or Annuity Plan (SAUS)

Pentagrid Switch (SAUS)

Peperomia Society - Later, PEPS (EA)

Perception Schedule

Perceptual Speed (Test) - Psychology

Percussion Shrapnel (SAUS)

Perfect Shuffle (MHDI)

Performance Score

Performance Specification

Performance Standard

Performance Status - Rehabilitation (DAVI)

Performing Scale - Medicine (MAE)

Perform Statement (SAUS)

Perimeter Surveillance (LAIN)

Periodic Syndrome - Medicine

Peripheral Shock - Psychology

Permanent Secretary

Permanent Signal - Telecommunications (TEL)

Permutation Sequence (SAUS)

Per Second (AAMN)

Per Ship

Personal Secretary (DCTA)

Personal Services

Personal Skills

Personal Survival

Personal System - IBM computer introduced in 1987

Personnel Strength (SAUS)

Personnel Subsystem - Army

Per Speculum - Medicine

Peru Solidarity - An association (EA)

Petrol Station (SAUS)

Pet Switchboard - Defunct (EA)

Petty Sessions (DLA)

Phalcon Skism

Pharmaceutical Society (NADA)

Phase Separation

Phase-Shift

Phasing System - Telecommunications (OA)

Phenix Society (EA)

Phenolsteroid (SAUS)

Phenol Steroids (SAUS)

Phenomenally Speedy Ordinary - Photographic plates (ROG)

Philalethes Society (EA)

Phillnathean Society (EA)

Philolexian Society (EA)

Philological Society (EAIO)

Philomathean Society (EA)

Phosphate-Saline - A buffer - Cell culture

Phosphatidylserine - Biochemistry

Photochemical System

Photoelectron Spectroscopy - Biophysics - Biochemistry (QSUL)

Photoemission Scintillation (MCD)

Photoemmission Scintillation (SAUS)

Photographic Service

Photographic Squadron

Photometer System (KSC)

Photosystems

Phototelegraph Station (SAUS)

Phrase Structure (WGA)

Phrenic Stimulation - Medicine (MELL)

Phylaxis Society (EA)

Physical Sciences

Physical Security

Physical Sequential (HGAA)

Physical Status - Medicine

Physics Specification (SAUS)

Physiological Society (BUAC)

Physiologic Saline - Medicine (MELL)

Picket Ships - Navy

Pico Second (SAUS)

Picosecond

Picture Storage (SAUS)

Picture System (ELAL)

Pilgrim Power Station (NRCH)

Pilgrim Society (EA)

Pineal Stalk - Neuroanatomy

Pine Bark Mixed with Clay Loam Soil

Pine Siskin - Ornithology

Pink Sheet - Investment term

Pioneer School (SAUS)

Piper Syndrome (SAUS)

Pipe Size (BARN)

Pirandello Society (EA)

Pirmasens - German license plate city code

Pisosecond (IAA)

Pistol Sharpshooter - Army

Pistol, Single-shot - NCIC gun type code (NCIC)

Pitot/Static Tube (MCD)

- The Pittsburg & Shawmut Railroad Co. - AAR code

Pituitary Stalk - Neuroanatomy

Planetary Society (EA)

Planetary Surface (IAA)

Planning and Scheduling

Planning Staff (SAUS)

Planning Study (AAG)

Plant Stress - Horticulture

Plastic Surgery - Medicine

Platelet Survival - Medicine (EDAA)

Plate Sunk - Printing (DGA)

Platform (Sided) (DCTA)

Plea Side (ROG)

Pleural Sclerite - Entomology

Plot Services - Radar and Signal Processing Laboratory (GIS)

Plotter System (SAUS)

Plotting System

Plus

Pneumatic Suspension - Automotive engineering

Pneumatic System

Poetry Society - British

Point of Switch

Point of Symmetry

Point Setting (SAUS)

Point Shifting (SAUS)

Point Source (COE)

Point Sparger - Engineering

Point Spread - In visual cortex

Polanyi Society (EA)

Polaris Standard - Missiles

Polarity Scale - Psychology

Polarity Selector (IAA)

Polar Stereographic (SAUS)

Police Sergeant - Scotland Yard

Policy Statement

Polio Society (EA)

Polite Society (BUAC)

Political Science (SAUS)

Polling Signal (SAUS)

Polysaccharide (DB)

Polystyrene - Organic chemistry

Polysulfone - Also, PSO - Organic chemistry

Population Sample (MAE)

Porlock Society (EA)

Porous Silicon - Physics

Portable Station (SAUS)

Porter-Silber Chromogen - Medicine (MAE)

Port Security

Port Securityman - Military (DOMA)

Port Store - Telecommunications (TEL)

Port Strobe - Telecommunications (TEL)

Pos-Escrito - Postscript - Portuguese

Position-Specific Antigen

Positive Value (DA)

Postal Satsang - An association (EA)

Postal Service - US

Posterior Synechia (SAUS)

Poster Society (EA)

Post Script (SAUS)

PostScript - Adobe printer language

Post Scriptum - Written Afterwards, Postscript - Latin

Post Status (SAUS)

Potassium Sorbate - Food additive

Potentiometer Synchro

Potentiometer Synchronometer

Power Series (IAA)

Power Shift (SAUS)

Power Shutdown (SAUS)

Power Source

Power-Specific (MCD)

Power Spectra - Neurophysiology

Power Spectrum (SAUS)

Power Station (MCD)

Power Steering - Automobile ads

Powerstroke (SAUS)

Power Supply

Powys Society (EA)

Prairie Schooner - A publication (BRI)

Prairies Service - Record series prefix - Canada

Predictive Saccades - Ophthalmology

Preduzece Soko - Former Yugoslavia - ICAO aircraft manufacturer identifier (ICAO)

Preference Semantics - Linguistics (IEL)

Preferred Service

Preferred Stock - NCIC non-government securities code (NCIC)

Preferred Stock - Investment term

Pregnant Serum (SAUS)

Prehistoric Society (EA)

Preliminary Study

Preparedness Staff - Environmental Protection Agency (GFGA)

Presenilin - Biochemistry

Presentation Services - Computer science (IBMDP)

Present State (SAUS)

Present Symptoms (SAUS)

Press Secretary (ILCA)

Press to Start (KSC)

Pressure - or Propellant Seal

Pressure Sensor

Pressure Sore (MELL)

Pressure Steam (SAUS)

Pressure Support (SAUS)

Pressure Swing Absorption - Military technology (DDF)

Pressure Switch

Price Spreading - Business term

Primary School (ADA)

Primary Section (SAUS)

Primary Sequence (SAUS)

Primary Storage (SAUS)

Primary Syphilis (MELL)

Prime Select (MCD)

Prime Sponsor

Principal Sojourner - Freemasonry (ROG)

Principal Subject - In a sonata or rondo - Music (ROG)

Printer Start (SAUS)

Printing Speed (SAUS)

Print Scan - Computer science (IAA)

Print Storage (SAUS)

Priority Seating - Disney (DIS)

Priority Service (SAUS)

Prior Service - Military

Private Screenings - Cable TV programming service

Private Secretary

Private Security Program - Association of Independent Colleges and Schools specialization code

Private Siding - Rail - Shipping (DS)

Privilege Service (SAUS)

Privy Seal - British

Probability of mission Success (SAUS)

Probability of Survival (MCD)

Problem Space

Problem Specification

Problem Statement - Computer science (IAA)

Procambial Strand - Botany

Procedure Signal (SAUS)

Procedure Statement (SAUS)

Processing State (SAUS)

Processing Station (SAUS)

Processor Status

Processor Storage (SAUS)

Process Sheet

Process Solution (MCD)

Process Solvent (SAUS)

Process Specification

Process Status (SAUS)

Process Stop Ship (SAUS)

Process Storage - Computer science (IAA)

Process Subsystem - Telecommunications (TEL)

Procurement Specification (MCD)

Production Set (SAUS)

Production Sharing (SAUS)

Production Support (SAUS)

Production System (SAUS)

Product Service (IAA)

Product Sharing (SAUS)

Product Software (MCD)

Product Specification (SAUS)

Product Standards (MCD)

Product Support

Profit Sharing - Business term

Programmable Switch - Computer science (IAA)

Programmed Symbols (MEDA)

Programming System

Program Scheduling (SAUS)

Program Section - Computer science (IAA)

Program Segment (SAUS)

Program Selector (SAUS)

Program Service (SAUS)

Program Shift (SAUS)

Program Simulation (OICC)

Program Sound (SAUS)

Program Source - Computer science (IAA)

Program Specification (MCD)

Program Start (KSC)

Program Stateword - Computer science (IAA)

Program Status - Computer science (IAA)

Program Store - Computer science (IEEE)

Program Structure (SAUS)

Program Summary (NG)

Program System (SAUS)

Progressive Stroke (SAUS)

Project Scientist (SAUS)

Project Slip

Project Specification - Petroleum engineering

Project Start - Milestone chart

Project Stock - Military (AABC)

Project Study - British military (DMA)

Proler International Corp. - NYSE symbol (SPSG)

Proler Intl - NYSE symbol

Prolifers for Survival - Defunct (EA)

Prometheus Society (EA)

Prompt Side - of a stage - i.e., the right side - A stage direction

Pronator Syndrome - Medicine (EDAA)

Proof Shot - Ammunition

Proof Stress

Propellant Seal

Propellant Supply (KSC)

Propellant System

Proportional Spacing - Typography (WDMC)

Proposed Standard

Propulsion Section

Prostaglandin Synthetase - An enzyme

Prostatic Secretion - Medicine (MELL)

Protected Ship (SAUS)

Protection Strategy (COE)

Protective Security (SAUS)

Protective Service

Protective Shelter

Protective Silver (SAUS)

Protective Structure

Protective Subsystem - Military

Protect Status (MHDB)

Protein Society (BUAC)

Protein Synthesis

Proton Synchrotron - Nuclear energy

Proton Synchrotron Division (SAUS)

Protoplasmic Surface - Freeze etching in microscopy

Proto-Semitic (BJA)

Provision Supply (SAUS)

Provost-Sergeant

Psalm

Pseudo - Classical studies (OCD)

Pseudomonas Stutzeri - Bacterium

Pseudonym (WGA)

Psychiatric (MAE)

Psychology - Treasury Board of Canada (FOTI)

Psychology Society (EA)

Psychometric Society (EA)

Psychonomic Society (EA)

Psychotic

Publication Standard

Public Safety (SAUS)

Public Sale

Public School

Public Service

Public Service Company of Colorado (EFIS)

Public Statutes - Legal term (DLA)

Public Stenographer

Public Storage (EFIS)

Public Systems, Inc. - Commercial firm

Publishing Services - American Library Association

Puget Sound - Also, Puget Sound Naval Shipyard - Washington

Pull Switch

Pulmonary Sequestration

Pulmonary Stenosis - Medicine

Pulse per Second (IAA)

Pulse Sensor (KSC)

Pulse Shaper

Pulses per Second - Data transmission (DEN)

Pulse Stretcher

Pumping Station (NATG)

Purdon's Pennsylvania Statutes - A publication (DLA)

Purity-Supreme - Supermarkets

Pyloric Stenosis - Medicine

Saint Pierre and Miquelon - NCIC country-territory code (NCIC)

Serum From a Pregnant Woman (DAVI)

Socialist Party (France) - Political party (PSAP)

Solidarity Party (Panama) - Political party (PSAP)

South Pole - Also, SP

Static Pressure

Swarthmore Public Library, Swarthmore, PA - Library symbol - Library of Congress (LCLS)

Transport - Russian aircraft symbol

US Postal Service (AAGC)

PARSEC - Parallax Second - See PARSEC

Passed School of Instruction (of Officers) (ODA)

Pastel (VRA)

Picosecond - One trillionth of a second

Polystyrene (MIST)

PostScript - Computer science

Psalm (GROV)

Pull Switch (ODA)

South Pacific - MARC geographic area code - Library of Congress (LCCP)

Peseta - Monetary unit - Andorra and Spain (BARN)

Polyporus sulphureus - A fungus

Positronium (SAUS)

Prescription (AAMN)

Pressure (HLLA)

Pressure, Systolic - Cardiology

Proseminar (SAUS)

Psalms - Biblical (RION)

Pseudomonas - Bacterium (MAE)

South Celestial Pole (SAUS)