| Meaning |
Category |
| Parental Alienation Syndrome | Medical->Physiology |
| Paros, Greece | Regional->Airport Codes |
| Pascal language source code file (Pascal - Delphi) | Computing->File Extensions |
| Passenger Accounting System | Governmental->Transportation |
| Passive Alcohol Screening | Community->Law |
| Paste | Medical->Physiology |
| Pattern Acquisition Syndrome | Medical->Physiology |
| Payload Accommodation Studies | Governmental->NASA |
| Pedal Assist System | Governmental->Transportation |
| PepsiAmericas, Inc. | Business->NYSE Symbols |
| Per Arnt Sim | Medical->Human Genome |
| Percussive Arts Society | Governmental->Environmental |
| Performance Against Standard | Business->Positions |
| Personal Access System | Computing->Security |
| Personal Amplification System | Governmental->Military |
| Personal Assistance Services | Community |
| Personality Assessment System | Community |
| Personality Assimilation Sociopath | Academic & Science->Psychology |
| Philippine And Scandinavian | Regional->Countries |
| Photo- Acoustic Spectroscopy | Academic & Science->Electronics |
| Physician Assisted Suicide | Community->Law |
| Physicians for Automotive Safety | Community->Educational |
| Plan Action And Success | Business->General |
| Point And Shoot | Governmental->Military |
| Points Against Standards | Community->Sports |
| Polyarylsulfone | Miscellaneous->Plastics |
| Positive Attitudes For Success | Community->Educational |
| Post Abortion Syndrome | Medical->Physiology |
| Power Assisted Steering | Governmental->Transportation |
| Premium Artist Service | Business->Firms |
| Pretty As Sugar | Internet->Chat |
| Primary Ascent System | Governmental->NASA |
| Privacy Act Statement | Computing->Security |
| Product Approval Specification | Business->General |
| Product Assessment Specification | Governmental->Military |
| Program For Achieving Success | Community->Educational |
| Project Art Show | Community->Educational |
| Protected Area System | Computing->Security |
| Publically Available Specification | Business->Products |
| Publicly Assessed Subjects | Medical->Laboratory |
| Publicly Available Specification | Governmental->US Government
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