| Acronym | Meaning |
| RCA | Rolling-circle Amplification |
| NBS | Nucleotide-binding Site |
| TFW | Thomas-Fermi-Weizsaecker (electron-d. Theory) |
| OBK2 | Second-order Oppenheimer-Brinkman-Kramers |
| EMSL | Environmental Monitoring And Support Laboratory |
| AQCP | Air Quality Control Program |
| PCD | Photoconductive Decay |
| SAIS | Science And Applications Information System |
| PCD | Polycrystalline Diamond |
| NWSIA | National Water Supply Improvement Association |