| Acronym | Meaning |
| NASQAN | National Stream Quality Accounting Network |
| ACRS | Advisory Committee On Reactor Safeguards |
| RNRA | Resonant Nuclear Reaction Analysis |
| LDR | Low Dose Radiation |
| RSS | Recombination Signal Sequence |
| SET | Single Electron Tunneling |
| DIANE | Direct Information Access Network For Europe |
| APRR | Adiabatic Passage Rotational-resonance |
| MODPOT | Model Potential |
| ANPRM | Advance Notice Of Proposed Rulemaking |