sort by Rank | Alpha
| Possible Meanings | Rank |
| Polar Radar for Ice Sheet Measurements | *** |
| Protein Interactions by Structural Matching | *** |
| People Responding in Social Ministry | *** |
| Professional Records and Information Services Management | *** |
| Partnership for Reform in Science and Mathematics | *** |
| Partnership for Research in Stereo Modeling | *** |
| Project for the Research of Islamist Movements | *** |
| Performance and Registration Information Systems Management | *** |
| Polymer Reference Interaction Site Model | *** |
| Performance Registration Information Systems Management | *** |
| Photo Refractive Information Storage Material | *** |
| Program of Resources Information and Support for Mothers | *** |
| Puerto Rico Interdisciplinary Scientific Meeting | *** |
| Program for Regional and International Shorebird Monitoring | *** |
| Program in Information Security Management | *** |
| Phase Rotated Intense Slow Muon | *** |
| Performance and Registration Information System Management | *** |
| Paranormal Research and Investigative Studies Midwest | *** |
| Progress Report on Initiatives in the Single Market | *** |
| Pictorial Representation of Illness and Self Measure | *** |
| People Respecting Important Social Movements | ** |
| Parallel Research on Invariant Subspace Methods | ** |
| Program for Rheumatic Independent Self-Management | ** |
| Psychiatric Research Interview for Substance and Mental | ** |
| Planning Resources and Involvement for Students in the Majors | ** |
| Persons Rising in Support of Multiculturalism | ** |
| Proven Rapid Implementation Structured Methodology | ** |
| measure--Pictorial Representation of Illness and Self Measure | ** |
| Platelet Receptor inhibition for Ischaemic Syndrome Management | ** |
| Platelet Receptor Inhibition in Ischemic Syndrome Management | ** |
| Preservation of Industrial and Scientific Material | ** |
| Pride Rings in Stone Mountain | ** |
| Processes Research by an Imaging Space Mission | ** |
| Public Relations in the Service of Mankind | ** |
| Project and Research Information System Module | ** |
| Portal Resources for Indiana Science and Mathematics | ** |
| pediatric risk of mortality score | ** |
| Professional Records Information Services Management | ** |
| Program Review Instrument for Systems Monitoring | ** |
| Performance Reporting Information System Management | ** |
| Preservation Reliability Interoperability Security and Metadata | ** |
| Patient Record Immunization System Manager | ** |
| Personality and Role Identity Structural Model | ** |
| Production Robotics and Integration Software for Manufacturing | ** |
| Problems and Research to Integrate Science and Mathematics | ** |
| Program in Statistics and Methodology | ** |
| Pacific Rim Institute of Sustainable Management | ** |
| Practice and Research in Software Management | ** |
| Pressure Reactive Intelligent Spark Management | ** |
| Psychiatric Records Information Systems Manager | ** |
| Pesticide Research and Identification of Source and Mitigation | ** |
| Perceptual Robotics Intelligent Sensors and Machines | ** |
| Project Risk Identification Selection and Management | ** |
| Perspectives on Race Identity Sexuality and Multiculturalism | ** |
| Policy Responsive Integrated Strategy Model | ** |
| Preservation Reliability Interoperability Security Metadata | ** |
| Pacific Rim Institute of Safety and Management | ** |
| Power Reactor Innovative Small Module | ** |
| Public Retirement Information Systems Management | ** |
| Preparation of Regional Industry for the Single Market | ** |
| Passenger Rail Improvement Safety and Modernization | ** |
| Public Relations Individuals in Southern Maryland | ** |
| Public Relations International Sports Marketing | ** |
| Pacific Roundtable on Industry Society and Management | ** |
| Partnership for Regional Invasive Species Management | ** |
| Plan for Researching Improvement and Supporting Mission | ** |
| Potomac River Interactive Simulation Model | ** |
| Program for Robotics Intelligent Sensing and Mechatronics | ** |
| Progressive Radically Inclusive Student Ministry | ** |
| Process Research by an Imaging Space Mission | ** |
| Partnership for Regulatory Innovation and Sustainable Manufacturing | ** |
| Patient Reported Impact of Spasticity Measure | ** |
| Primary Rate Interface Signaling and Maintenance | ** |
| Psychiatric Rehabilitation Integrated Service Model | ** |
| Pursuing Rewards in Science and Mathematics | ** |
| Pliocene Research Interpretation and Synoptic Mapping | * |
| Program of Research in Interdisciplinary Systems Management | * |
| Partners for Reform in Science and Mathematics | * |
| Partners in Research for Information Systems Management | * |
| Policy Register Information System Management | * |
| Portal Infrastructure for Streaming Media | * |
| Professional Recognition in Sales and Marketing | * |
| People for the Rights of Individuals of Sexual Minorities | * |
| People Responding to Issues of Sexual Minorities | * |
| Progressive Route Into Systems Management | * |
| Publisher Requirements for Industry Standard Metadata | * |
| Partnership for Research in Science Math | * |
| Partnership to Reform Instruction in Science and Math | * |
| PC Remote Irrigation System Manager | * |
| People Respecting Individuals and Sexual Minorities | * |
| Photography Radio Infrared Shutter Module | * |
| Procurement Information System for Management | * |
| Passport Records Imaging System Management | * |
| Peace and Reconciliation Inter Schools Movement | * |
| Pension and Retirement Income Simulation Model | * |
| Pharmacologically Regulated Induction of Silent Mutations | * |
| Planning Resource Implementing Solutions Methodology | * |
| Practical Resources Interactive Science Materials | * |
| Professional Results in Sales and Marketing | * |
| Project Risk Identification and Selection Model | * |
| Projects and Resources for Information Systems Management | * |
| Promising Reform in Science and Math | * |
| PRototype Information System for Medicine | * |
| Pan-European Reference configuration for IBC Services Management | * |
| Parallel Reduced Instruction Set Multiprocessor | * |
| Precipitation and Ricks Index Stochastic Model | * |
| Property and Resource Information Systems Management | * |
| Planning and Reporting Information System for Management | * |
| Peripheral Regional Infrastructure for Satellite-delivered Modules | * |
| Personal Retirement Investment and Savings Management | * |
| Portable Reusable Intergrated Software Modules | * |
| Preservice Research Institute in Science and Mathematics | * |
| Program Requirements Interface System Modules | * |
| progressive refinement of integrated supply management | * |