| Acronym | Meaning |
| MFM | Magnetic Force Microscopy |
| CROWN | Combines Rotation With Nutation |
| AIP | Acute Intermittent Porphyria |
| BWCCSD | Brillouin-Wigner Coupled-cluster (with) Single (and) Double (excitations) |
| EXOSAT | European X-ray Observatory Satellite |
| DIGM | Diffusion Induced Grain Boundary Migration |
| EIL | Environmental Impairment Liability |
| ACTS | Advanced Communications Technologies And Services |
| EFFF | Energy Factored Force Field |
| AMTEC | Alkali Metal Thermoelectric Converter |