sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Passive Asset Detection System | **** |
| Performing Arts Data Service | **** |
| Portable Air Defence System | *** |
| Parallel and Distributed Systems | *** |
| Primitive and Aboriginal Dog Society | *** |
| Post Adoption Depression Syndrome | *** |
| Party for Democracy and Socialism | *** |
| Publication of the American Dialect Society | *** |
| Pain Associated Disability Syndrome | *** |
| Platforms and Distributed Systems | *** |
| Port and Airport Development Strategy | *** |
| Performance and Development Scheme | *** |
| Prevention Activities Data System | *** |
| Petascale Active Data Store | *** |
| position and azimuth determining system | *** |
| Program Access to Data Sets | *** |
| Procurement and Assistance Data System | *** |
| Public Access Defibrillation Scheme | *** |
| Plasma Assisted Dry Soldering | *** |
| Public Area Display System | *** |
| Performing Arts Development Service | *** |
| Passive Antitumor Defence System | ** |
| Postural Analysis Digitizing System | ** |
| Performance Appraisal and Development Scheme | ** |
| Patient Archiving and Documentation System | ** |
| Physical Activity and Disability Survey | ** |
| Post-Anesthesia Discharge Scoring System | ** |
| Power Accessory Distribution System | ** |
| Par Alleland Distributed Simulation | ** |
| Phobos and Deimos Survey | ** |
| Political Affairs Defence and Security | ** |
| PCB Activity Database System | ** |
| Peninsula Access for Dogs | ** |
| Processing of Analog and Digital Signals | ** |
| Partnership Assessment and Delivery System | ** |
| Power Aware Distributed Systems | ** |
| Portable Air Defense System | ** |
| Philadelphia Area Debian Society | ** |
| Phased Array Doppler Sonars | ** |
| Plymouth Architecture and Design Society | ** |
| Political Affairs Defense and Security | ** |
| Public Access Data Systems | ** |
| Pragmatic Audio Distribution System | ** |
| Pawtucket Alliance for Downtown Success | ** |
| Position and Attitude Determination System | ** |
| Practical Algorithm for Data Security | ** |
| Parallax Aircraft Docking System | ** |
| Passive Antitumor Defense System | ** |
| Professional Application Development System | ** |
| Packaging and Display Section | ** |
| Port and Airport Development Study | ** |
| PCB Activity Data System | * |
| Postmarketing Antiepileptic Drug Survey | * |
| Processing Arbitrary Data Streams | * |
| Performance Analysis and Design | * |
| Pine Agility Dog Sports | * |
| Productivity Analysis Database System | * |
| Projects and Dissertations System | * |
| Parallel and Discrete Simulation | * |
| Parallel and Distributed Simultation | * |
| Pets Advantage Delivery Service | * |
| Portable Active Denial Systems | * |
| Position Azimuth Determing System | * |
| Pardons Application Decision System | * |
| Paulton Amateur Dramatic Society | * |
| Petroleum Administration for Defense | * |
| Pneumatic Antenna Deployment System | * |
| Procurement Assistance Data System | * |
| Procurement Acquisition Data System | * |
| High Performance piesoelectric Array Devices for digital loudspeakerS and | * |
| Plan de Acci=n de Desarollo Social | * |
| Posiotioning And Azimuth Determining System | * |
| Precision Attitude Determination System | * |
| Price and Availability Data Sheets | * |
| Price Availability Data Sheets | * |
| Prototype Analyst Display System | * |