What does Pst stand for?

Static Transpulmonary Pressure at a Specific Lung Volume - Medicine (DAVI)

Paste (VRA)

Airwork (New Zealand) Ltd. - ICAO designator (FAAC)

Central Pashto - Language symbol (ETLW)

Pacific Standard Time

Pacific Summer Time

Pad Service Tower - Space launch term (IGSL)

Paired Selected Ternary (IAA)

Pair Selected Ternary - Computer science

Pakistan Standard Time (SAUS)

Pancreastatin - Biochemistry

Pancreatic Suppression Test - Medicine (AAMN)

Paroxysmal Superaventricular Tachycardia - Medicine (MEDA)

Paroxysmal Supraventricular Tachycardia - Cardiology (DAVI)

Partido Socialista de los Trabajadores - Socialist Workers Party - Panama - Political party (EY)

Partido Socialista de los Trabajadores - Socialist Workers' Party - Colombia - Political party (PPW)

Partido Socialista de los Trabajadores - Socialist Workers' Party - Mexico - Political party (PPW)

Partition Specification Table (MHDI)

Pascal-Suttle Test - Psychology (DAVI)

Pass Time - Military

Paste

Pastry (MSA)

Pasture Canyon - Utah - Seismograph station code, US Geological Survey - Closed (SEIS)

Pellston, MI - Amtrak Busline code

Penicillin, Streptomycin, and Tetracycline - Antibiotics (MAE)

Penicillin, Streptomycin,Tetracyclin (SAUS)

Pentobarbital Sleeping Time (SAUS)

Performance Specification Tree

Periodic Self-Test - Computer science

Peristimulus Time - Neurophysiology

Personnel Subsystem Team - Military (AFIT)

Peseta - Monetary unit - Spain and Latin America

Pesticide

Petrie Stores (EFIS)

Petrie Stores Corp. - NYSE symbol (SPSG)

Phase Space Theory - Physical chemistry

Phenol Sulfotransferase - An enzyme

Philadelphia Suburban Transportation - AAR code

Picture Story Test (SAUS)

Piston Shock Tunnel

Planetary Spectroscopy Telescope (SSD)

Plan Specification Tools (SAUS)

Platelet Survival Time - Medicine (MELL)

Point of Spiral Tangent (KSC)

Polaris Star Tracker - Missiles

Polished Surface Technique (IEEE)

Pooled Superannuation Trust

Porcine Somatotropin - Gene-spliced animal hormone - Monsanto Co.

Portuguese Speaking Test - Center for Applied Linguistics (TES)

Positive Sign Trigger (SAUS)

Post-Stall (SAUS)

Poststenotic - Medicine (DMAA)

Post Stimulus Time (SAUS)

Post-Stimulus Time

Pound Static Thrust (SAUS)

Precision Static Toroid (SAUS)

Prefrontal Sonic Treatment (SAUS)

Preliminary Safety Training (SAUS)

Preparing for Settlement and Trial (SAUS)

Pressure Sensitive Tape (SAUS)

Pressure-Sensitive Tape

Preston - Cuba - Airport symbol (AD)

Pre-Stretched Tubing (SAUS)

Pre-Structured Technology (SAUS)

Primary Surge Tank - Nuclear energy (NRCH)

Priority Selection Table - Computer science (IBMDP)

Prior Service Training - US Army Reserve

Production Sampling Test (IAA)

Production Special Tooling (MCD)

Production Surveillance Test (MCD)

Product Strategy Team - Automotive marketing

Product Support Technician

Professional, Scientific, and Technical

Profit Sharing Trustee (DLA)

Profit-Sharing Trustee (SAUS)

Program Status Table - Computer science (IAA)

Program Synchronization Table (CMD)

Project ST - Later, NSTA (EA)

Project Support Team (SAUS)

Propeller STOL - Short Takeoff and Landing Transport

Propulsion Systems Trainer (SAUS)

Pro Sight Technology

Pro-Stock Truck - Automobile racing

Proto-Sino-Tibetan - Linguistics (IEL)

Provincial Sales Tax (FOTI)

Provincial Standard Time (TRID)

Shepard's Preparing for Settlement and Trial - A publication