sort by Rank | Alpha
| Possible Meanings | Rank |
| Rowan Advisory Council for Equestrian | **** |
| RESULTS for All Classes | **** |
| Research and Creative Endeavor | **** |
| Ross and Cromarty Enterprise | **** |
| Racism and Colorism from Employment | *** |
| Refrigerating and Air Conditioning Engineers | *** |
| Resident Agent in Charge | *** |
| Research on Advanced Communications in Europe | *** |
| Resource Assessment and Conservation Engineering | *** |
| Research and development in Advanced Communications technologies in Europe | *** |
| Racing and Car Enthusiasts | *** |
| Radiological Assistance Consulting and Engineering | *** |
| Royal American Conservatory Exams | *** |
| Radio Auto Club of Egypt | *** |
| Ratepayers for Affordable Clean Energy | *** |
| Riverwatcher Active Content Environment | ** |
| rapid amplification cDNA ends | ** |
| rotary atkinson cycle engine | ** |
| Research into Advanced Communications in Europe | ** |
| Rochester Area Career Expo | ** |
| Royal American Conservatory Examinations | ** |
| 3'-Rapid Amplification of cDNA End | ** |
| 3'rapid amplification of cDNA ends | ** |
| PCR-rapid amplification of cDNA ends | ** |
| random amplification of cDNA ends | ** |
| rapid accumulation of cDNA ends | ** |
| rapid amplication of cDNA ends | ** |
| repeated alveolar collapse and expansion | ** |
| repetitive alveolar collapse and expansion | ** |
| Research on Advanced Communication in Europe | ** |
| Ridgefield Action Committee for the Environment | ** |
| Robotics and Automation Center of Excellence | ** |
| Radiation Aerosol and Cloud Experiment | ** |
| Response Advice for Chemical Emergencies | ** |
| Rapid Amplifications of CDNA Ends | ** |
| Random Access and Correlation for Extended | ** |
| 5'-rapid amplification of the cDNA end | ** |
| Rapid amplification of 5' cDNA end | ** |
| rapid amplification of cDNA ends reaction | ** |
| rapid amplification of complementary DNA ends | ** |
| rapid amplification of complementary DNA ends | ** |
| rapid amplification of the cDNA ends | ** |
| Research on Advanced Communication for Europe | ** |
| Rajkamal Academy of Cinematic Excellence | ** |
| Rescue Alert Contain Extinguish | ** |
| Reasoner for Aboxes and Concept Expressions | ** |
| rapid modification of cDNA ends | ** |
| Racing Associates Canada Events | ** |
| Rowbased ASCII Compatible Encoding | ** |
| Riders Against Constitutional Erosion | ** |
| Racing Academy Centre of Education | ** |
| Rural and Countryside Education | ** |
| Recognizing and Celebrating Ethnicities | ** |
| Rapids Aquatic Community Elite | ** |
| Rescue Alarm Confine Extinguish | ** |
| Research in Advanced Communications in Europe | ** |
| Ralph Appezzato Charity Event | ** |
| Ramipril Angiotensin Converting Enzyme | ** |
| Rather A Cardfighter Emulator | ** |
| Rocket Auroral Correlator Experiment | ** |
| Reactor Accelerator Coupling Experiments | ** |
| Random Access Card Equipment | * |
| Rapid Access Communication Enterprises | * |
| Reconfigurable Avionics Computer Emulator | * |
| Regional Alliance for Community Empowerment | * |
| Restoration of Aircraft to Combat Effectivity | * |
| Rapid Area Clearance Equipment | * |
| Remote Access Camera Experiment | * |
| Research of Australian Close Encounters | * |
| Return on Adjusted Capital Employed | * |
| Random Access Control Equipment | * |
| Rapid Alert for Cascadia Earthquakes | * |
| Regional AIDS Committee in Education | * |
| Rescue Alarm Confine and Extinguish | * |
| Rescue Alarm Contain and Extinguish | * |
| Rescue Alarm Contain Extinguish | * |
| Rubato Amateur Chamber Ensemble | * |
| Reduction of Arithmetic Cost of Expressions | * |
| Refurbishing Available Computers for Education | * |
| Rural Alaskans Conserve Energy | * |
| Research for Advanced Communications in Europe | * |
| Research in Advanced Communications Experiment | * |
| Revenue Audit Central Excise | * |
| Rights Awareness Curriculum Education | * |
| Rochester Adult Center for Education | * |
| Run and Continue Enduring | * |
| Refrigeration and Automative Climate systems under Environmental aspects | * |
| Regional Association of Concerned Environmentalists | * |
| Research Areas Chemical Engine | * |
| Robotics and Automation Center for Excellence | * |