| Abbreviation | Definition |
|---|---|
| RHP | Regenerated Human Production |
| RibC | Riboflavin synthase gene C |
| RibD | Riboflavin-specific Deaminase |
| RIBP | Rlk/Ilk-Binding Protein |
| RICD | Rice Indica cDNA Database |
| RIL | Recombinant Inbred Line |
| RING | Really Interesting New Gene |
| RIP | Ras Interacting Protein |
| RISC | RNA-Induced Silencing Complex |
| RKN | Rickenon |
| RLDD | RNase L-Dependent Decay |
| RLF | Replacement Level Fertility |
| RLGS | Restriction Landmark Genomic Scanning |
| RLI | Rnase L Inhibitor |
| RNA | RiboNucleic Acid |
| RNAI | RiboNucleic Acid Interference |
| RNFA | Registered Nurse First Assistant |
| RNP | Ribo-Nucleo-Protein |
| ROFL | Rolling On The Floor |
| ROMK | Renal Outer Medullary Potassium |