What does Pss stand for?

Pseudomonas Syringae Syringae - Plant pathology

Hastings, NE - Location identifier - FAA (FAAL)

International Production, Service, and Sales Union

Kaulong - Language code (ETLW)

Packet Switched Services

Packet Switched System (NITA)

Packet Switching Service - Telecommunications - Information service or system - British (IID)

Packet Switching Stream (SAUS)

Packet Switching System (SAUS)

Packet Switch Stream (SAUS)

Packet SwitchStream - British Telecommunications Plc - London - Information service or system (IID)

Packet Switchstream Service (SAUS)

Pad Safety Supervision - Aerospace (AAG)

Pad Safety Supervision (or Supervisor) (SAUS)

Pad Safety Supervisor - NASA (NAKS)

Painful Shoulder Syndrome (MELL)

Palomar Sky Survey - NASA

Parallel Search Storage - Computer science (VLIE)

Parents for Student Safety (SAUS)

Partially Sighted Society - British

Partia Socialiste e Shqiperise - Socialist Party of Albania - Political party (EAIO)

Parti de Solidarite Senegalaise - Senegalese Solidarity Party - Political party

Parti Socialiste Suisse - Social Democratic Party of Switzerland - Political party (PPE)

Partito Socialista Sammarinese - Socialist Party of San Marino - Political party (PPE)

Partito Socialista Somalo - Somali Socialist Party - Political party

Passenger Sensing System - Automotive safety

Passenger Service Supervisor - Travel industry

Passenger Service Systems - Airlines

Passes - Telegraphy (PCTE)

Patent Searching System (SAUS)

Patent Search System - Pergamon - Database - Computer science - British

Pattern Select Switch - Automotive engineering

Pauli Spin Susceptibility - Physics

Payless ShoeSource - NYSE symbol

Payless ShoeSource, Inc. - NYSE symbol (SAG)

Payload Specialist Station - NASA (NASA)

Payload Support System - NASA (MCD)

Perceived Stress Scale - Psychology (DHP)

Performance Standard Sheet

Performance Summary Sheet

Performance Support System - Human resources (WYGK)

Periodic Steady State (SAUS)

Periscope Simulation System - Navy

Persian Shipping Services, Teheran (SAUS)

Personal Safety System - Automotive engineering

Personal Security System (SAUS)

Personnel Safety System

Personnel Security Staff (SAUS)

Personnel Security System (ACAE)

Personnel Service Support - Army (DOMA)

Personnel Staffing Specialist (GFGA)

Personnel Subsystem - Air Force (AFM)

Personnel Support System - Army (AABC)

Perturbed Stationary State (SAUS)

Phase-System Switching - Physical chemistry

Physical Security Specialist (SAUS)

Physical Security Subsystem

Physical Security System (SAUS)

Physician Sales & Services Inc. (EFIS)

Physiological Saline Solution - Physiology

Physiological Stability Score (SAUS)

Physiologic Saline Solution (SAUS)

Planetary Scan System - or Subsystem

Planned Systems Schedule (AAG)

Planning Summary Sheets (AAG)

Plant Science Seminar - Later, ASP

Plume Suppression System - Combustion technology

Plunger Snap Switch

Pneumatic Supply Subsystem (AAG)

Polar Subsurface Sounder (SSD)

Poly(styrenesulfonate) - Organic chemistry

Polystyrene Sulfonate (SAUS)

Porcine Stress Syndrome - Veterinary medicine

Portable Simulation System (MCD)

Port Safety and Security - USCG (TAG)

Portsmouth Signal School (SAUS)

Posadas - Argentina - Airport symbol (OAG)

Possible Signal Sample (SAUS)

Postal Savings System - Terminated, 1966

Postal Separation System (SAA)

Postscripta - Postscripts - Latin

Power Subsystem (SAUS)

Power Supply Section

Power Supply Subsystem (IAA)

Power Supply System (SAUS)

Power Switching System (SAUS)

Power System Stabiliser - Prevents the system voltage profile from being deteriorated (ESKOM)

Power System Synthesizer

Precancel Stamp Society (EA)

Precision Sun Sensor (ACAE)

Premature Separation Switch (SAA)

Premature Separation System (ACAE)

Prepared Shelter System - Military technology (DDF)

Pre-Positioned Strategic Stocks - Military technology (DDF)

Presbyteri Sancti Sulpicii - Sulpicians - Roman Catholic men's religious order

Pre-School Screening (SAUS)

Preselection Secondary Section (SAUS)

Pressure Sensitive Schottky (SAUS)

Primary Sampling System - Nuclear energy (NRCH)

Princess (ROG)

Principle Support System (VLIE)

Printer Storage System - Computer science (MHDI)

Printing and Stationery Service (SAUS)

Print Sub-Scan (VLIE)

Priority Scheduling System (SAUS)

Private Schools Survey (SAUS)

Private Signalling System (SAUS)

Probabilistic Safety Study - Nuclear energy (NRCH)

Probe Support Subsystem (ACAE)

Problem Solving State (SAUS)

Process Sampling System - Nuclear energy (NRCH)

Process Standard Specification

Process Status Structure (CAL)

Process Support System - Computer science (VLIE)

Process Switching Service (IAA)

Production System Support (SAUS)

Product Supply Specification - Petroleum engineering

Product Support Services (MWOL)

Product Support System (SAUS)

Professional Services Section (BARN)

Professional Software Services

Professor of Sacred Scripture

Programmable Store System (SAUS)

Programming Support System (SAA)

Programming Systems Support (SAUS)

Program Support Staff - Environmental Protection Agency (GFGA)

Progressive Science Series - A publication

Progressive Systemic Sclerosis - Medicine

Projected Smoke System (SEWL)

Project Summary Sheet (SAUS)

Propellant Supply Subsystem (SAUS)

Propellant Supply System - or Subsystem

Proposed Sale of Securities (GFGA)

Proprietary Software Systems - Computer science (IEEE)

Proprietary Support System - Computer science (IAA)

Propulsion Subsystem Structure

Propulsion Support System (KSC)

Protection Security Service

Protective Security Service

Protective Signature Service (MCD)

Psalms - Old Testament book

Pseudo-Sense Switch

Pseudo Spread Spectrum (MCD)

Pseudo Steady State (SAUS)

Psychiatric Services Section - of the American Hospital Association - Later, SCSMHPS (EA)

Psychiatric Status Schedules - Psychology

Psychological Saline Solution (BARN)

Public Services Satellite

Public Service System (SAUS)

Public Storage Canadian Properties II - Limited Partnership Units - Toronto Stock Exchange symbol

PUREX Sludge Supernatant liquid (SAUS)

Push-Button Selection Station

Silent Self-loading Pistol - Police and security equipment