| Abbreviation | Definition |
|---|---|
| QWP | Quality of Water for Pharmaceutical Use |
| R | Random |
| R | Reluctant |
| RAB | Réseau Africain de Biosciences |
| RabMAbs | Rabbit Monoclonal Antibodies |
| RADL | Remote Access Data Laboratory |
| RADT | Rapid Antigen Detection Test |
| RAEL | Renewable and Appropriate Energy Laboratory |
| RAGE | Receptor for Advanced Glycation End |
| RAH | Researching Alternative Health |
| RAIU | Radioactive iodine uptake |
| RAL | Research Analytical Laboratory |
| RAL | Research Applications Laboratory |
| RAL | Rutherford Appleton Laboratory's |
| RALES | Randomized Aldactone Evaluation Study |
| RAM | Research Assessment and Monitoring |
| RAP | Regression-Associated Protein |
| RAPID | Research And Public Information Dissemination |
| RAS | Retrovirus Associated Sequences |
| RASCAL | Radiation And Scattering Compact Antenna Laboratory |