Legal Abbreviations and Acronyms
- PROBProblem
- PROBABProbability
- PROBEPilot Radiation Observation Experiment
- PROBLProblem
- PROCProceedings
- PSPsalms
- PSAPacific Sciences Association
- PSACPresident'S Science Advisory Committee
- PSANPsychoanalysis
- PSCPolar Stratospheric Clouds (in Antarctic)
- PSCNProgram Support Comunications Network
- PSDPrevention of Significant Deterioration
- PSDPCPolar Satellite Data Processing Centre
- PSEPacific Stock Exchange
- PSEUDO-ARCHPseudo-Archaic
- PSEUDO-DIALPseudo-Dialect
- PSEUDO-SCPseudo-Scots
- PSFCSurface Pressure
- PSFGPermanent Service On The Fluctuation of Glaciers
- PSIPounds Per Square Inch (Static Pressure)
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