| Acronym | Meaning |
| PLL | Phase Locked Loop |
| ACSI | Accelerated Strategic Computing Initiative (for Fusion Reactor) |
| WRC | Water Resources Council |
| ELP | Elastin-like Polypeptide |
| SBZ | Surface Brillouin Zone |
| HEASARC | High Energy Astrophysics Science Archive Research Center |
| CFMF | Cross Flow Microfiltration |
| MELODRAMA | Melding Of Spin-locking Dipolar Recovery At The Magic Angle |
| UVCS | UV Coronagraph Spectrometer |
| NRC | Nuclear Regulatory Commission |