sort by Rank | Alpha
| Possible Meanings | Rank |
| Platinum Resistance Thermometry | **** |
| Pocket Rescue Tool | **** |
| Parti Radical Transnational | **** |
| Plastic Recycling Technology | **** |
| Parks Recreation and Tourism | **** |
| Project Related Training | **** |
| Provincial Reconstruction Teams | **** |
| Position on Relations | **** |
| Portugal Racing Team | *** |
| Pivotal Response Treatments | *** |
| Procurement Round Table | *** |
| Process Review Team | *** |
| Platinum Resistance Thermometers | *** |
| Pivotal Response Treatment | *** |
| Phenol Red Test | *** |
| Practical Riding Test | *** |
| Parson Russell Terriers | *** |
| Perception Response Time | *** |
| Pennsylvania Recreational Trails | *** |
| Pixtt Riel Tavas | *** |
| Playwrights Round Table | *** |
| Program evaluation and Review Technique | *** |
| Pekerja Rumah Tangga | *** |
| Project Red Talon | *** |
| Plan Review Team | *** |
| Plutonium Recycle Test | *** |
| Park and Recreation | *** |
| PetSafe Remote Trainer | *** |
| Puerto Rico Technoeconomic | *** |
| Personal Rapid Transport | *** |
| Power Range Testing | *** |
| Practice Review Tool | *** |
| Platinum Resistance Temperature | *** |
| Poudre River Trust | *** |
| Psychiatric Response Team | *** |
| Primary Rehabilitation Therapy | *** |
| Policy Reform Team | *** |
| Partner Relationship Team | *** |
| Personal Residence Trust | *** |
| Power Recovery Turbines | *** |
| micro-plaque reduction test | ** |
| pantomine recognition test | ** |
| Parasite Recrudescence Time | ** |
| Parkinsonian resting tremor | ** |
| Penicillium roqueforti toxin | ** |
| percutaneous rotational thrombectomy | ** |
| Performance Rating Table | ** |
| peroneal reaction time | ** |
| Phoneme recognition threshold | ** |
| physical rehabilitation therapy | ** |
| Pigmented rose thorn | ** |
| placebo relaxation' technique | ** |
| plasma recalcification time | ** |
| Platelet Regeneration Time | ** |
| platelet-rich Tyrodes | ** |
| possessor-relevant traits | ** |
| Preoperative radiation therapy | ** |
| pressure recovery time | ** |
| primary rabbit testes | ** |
| Primary retroperitoneal tumor | ** |
| Primary retroperitoneal tumors | ** |
| Primary Retroperitoneal Tumours | ** |
| Product Recall Test | ** |
| Progressive Relaxation Training | ** |
| proliferation-restricting telomeres | ** |
| protamine response test | ** |
| proton radiation therapy | ** |
| proximal renal tubular | ** |
| psychological relaxation therapy | ** |
| pulse reappearance time | ** |
| pulse rise time | ** |
| pyrimidine-rich tract | ** |
| strategies--progressive relaxation training | ** |
| Pci Routing Table | ** |
| Pretty Retarded Train | ** |
| Public Rapid Transit | ** |
| Parent Resource Team | ** |
| Pulse Recurrent Time | ** |
| Project in Rosemont | ** |
| pancreatic and renal transplantation | ** |
| phenol red thread test | ** |
| pre-operative radiation therapy | ** |
| progressive resistance training group | ** |
| prophylaxis of rejection treatment | ** |
| Pioneering Revolutionary Technology | ** |
| Polymer Reinforced Technology | ** |
| Phenol Red Thread | ** |
| press releases to | ** |
| production rate of T | ** |
| Provisional Reconstruction Teams | ** |
| Personnel Round Table | ** |
| Personalized Rapid Transit | ** |
| Pacific Rim Telecommunications | ** |
| Premium Racing Team | ** |
| Pump Rescue Tender | ** |
| Parental Rights Terminated | ** |
| Primary Racial Trait | ** |
| Prior Review Threshold | ** |
| Pavement Rutting Tester | ** |
| Precision Records and Tapes | ** |
| Provincial Recontruction Team | ** |
| Puerto Rico Time | ** |
| Project Risk Tool | ** |
| Parks Recreation and Trails | ** |
| Peninsula Rapid Transit | ** |
| Power Research Technology | ** |
| Performance Racing Team | ** |
| Production Run Tape | ** |
| Participating Research Teams | ** |
| Premature Retirement Terms | ** |
| Public Relations Team | ** |
| Physical Readiness Tests | ** |
| Philharmonic Radio Taipei | ** |
| Plat Review Team | ** |
| Principles of Recreation | ** |
| Program Review Team | ** |
| Park Ridge Transit | ** |
| Planned Real Time | ** |
| Perception and Relationships Tool | ** |
| Permanent Relieving Teacher | ** |
| Photo Radiation Therapy | ** |
| Position Review Team | ** |
| Pacific Reportable Time | ** |
| Pattern Recognition Technique | ** |
| Pre Requisite Tree | ** |
| Pressurizer Relief Tank | ** |
| Prevention and Response Tug | ** |
| Programmable Ratio Transformer | ** |
| Pattern Recognition Toolbox | ** |
| PHYSICAL READINESS TESTING | ** |
| Plateau Racing Team | ** |
| Power Rebates Team | ** |
| Project Research Team | ** |
| Personnel Rapid Transit | ** |
| Planar Resistor Technology | ** |
| Protease Reverse Transcriptase | ** |
| Puerto Rico Trench | ** |
| Palliative Response Team | * |
| Pacific Reportable Times | * |
| Palomar Receive Terminal | * |
| Portable Radio Terminal | * |
| Power Recovery Train | * |
| Programme Review Team | * |
| Paranormal Research Team | * |
| Parish Register Transcript | * |
| Perception and Relationship Tool | * |
| PERFORMANCE REVIEW TEAM | * |
| Personal Rapit Transit | * |
| Physician Research Training | * |
| Platinum Resistive Thermometer | * |
| Portable Radio Termination | * |
| Powder River Technologies | * |
| Precision Radiation Thermometers | * |
| Pajak Rumah Tangga | * |
| Policy Relevance Test | * |
| Payphone Recognition Tone | * |
| Portland Radio Theater | * |
| Packet Radio Terminal | * |
| Positive Response Television | * |
| Process Reengineering Teams | * |
| Participation Research Team | * |
| Privater Rundfunk und Telekommunikation | * |
| Program Resource Team | * |
| Pedro Research Tools | * |
| Pressure Relief Tank | * |
| pressurized relief tank | * |
| Program eval and Review Technique | * |
| Patient Refused Transport | * |
| Puerto Rican Time | * |
| Packet Recognition Translation | * |
| Participatory Research Team | * |
| patient responsible therapy | * |
| Paul Revere Tour | * |
| Payment Recovery Tracking | * |
| Performances Recordings Televi | * |
| Permit Rescission or Transfer | * |
| Permit Review Tracking | * |
| Petroleum Resources of Texas | * |
| Petroleum Resources Texas | * |
| Platinum Element Resistance Thermometer | * |
| Postgraduate Research Theses | * |
| Preliminary Requirements Technical | * |
| Principal Research Team | * |
| Principios Radicales Troskistas | * |
| Printer Applications (UB) | * |
| Printer Utilities segment (JMCIS) | * |
| Production Reliability Test | * |
| Projected Response Time | * |
| Protestant Radio and Television | * |
| Protestant Radio Televisio | * |
| Protestant Radio Television | * |
| Publications of the Real Time | * |
| Pukeiti Rhododendron Trust | * |