| Abbreviation | Definition |
|---|---|
| RL | Remove Linear |
| RL | Rigid Layer |
| RLD | Reciprocal Linear Dispersion |
| RLP | Right Lifting Property |
| RMC | Radiative Muon Capture |
| RMC | Raymer, Mostowski, and Carlsten |
| RMP | Reviews in Mathematical Physics |
| RMP | Reviews of Modern Physics |
| RMU | Ring Main Unit |
| RNC | Relativisitic Nuclear Collision |
| RO | Read Only |
| RO | Results Of |
| ROC | receiver operator characteristic |
| ROCK | Rigidity Optimized Confirmation Kinetics |
| ROCK | Rigidity Optimized Conformational Kinetics |
| ROII | Relative Optical Interference Intensity |
| ROP | Rate Of Penetration |
| ROYGBIV | Red, Orange Yellow, Green, Blue, Indigo, Violet |
| ROYGBIV | Red, Orange, Yellow, Green, Blue, Indigo, Violet |
| RP | Radiation Potential |