| Acronym | Meaning |
| GRIN | Gradient Refractive Index |
| UEL | Upper Explosive Limit |
| BAC-MP4 | Bond-additivity-corrected Moeller-Plesset 4th-order Perturbation |
| NMMSS | Nuclear Materials Management And Safeguards System |
| EFTEM | Energy-filtering Transmission Electron Microscopy |
| NLM | National Library Of Medicine |
| BBXRT | Broad Band X-Ray Telescope |
| SHEED | Scanning High-energy Electron Diffraction |
| RIP | Rapid Isothermal Processing |
| BPL | Bone Phosphate Of Lime (phosphate Content As Calcium Phosphate) |