| REMAB | radiation-equivalent-manikin absorption |
|---|---|
| REMCAL | radiation-equivalent-manikin calibration |
| RERF | Radiation Effects Research Foundation |
| RI | radiation intensity; radioactive isotope; radioimmunology; recession index; recombinant inbred [stra... |
| RL | radial line; radiation laboratory; reduction level; renal dysplasia-limb defects [syndrome]; resisti... |