| Acronym | Meaning |
| IGP | Intergranular Penetration |
| MTD | Mean Therapeutic Dose |
| BEI | Backscattered Electron Imaging |
| CUP | Conditional Use Permit |
| LSM | Loop Sampling Mode |
| RIFS | Reflectometric Interference Spectroscopy |
| RFDR | Radiofrequency-driven Dipolar Recoupling |
| ASCEND | Advanced System For Computations In Engineering Design |
| SAD | Selected Area Diffraction Patterns (crystal Chemistry) |
| FMDF | Fixed Mirror Distributed Focus (solar Concentrator) |