| Acronym | Meaning |
| SSFP | Steady-state Free-precession |
| AMS | Aerospace Material Specification |
| ESH | Environmental Safety And Health |
| BSO | Basic Symmetric Operator (in Second-quantization Calculations) |
| BOA | Bidirectional Orbital Approximation (in Valence Bond Theory) |
| CEH | Cholesteryl Ester Hydrolase |
| PALS | Positron Annihilation Lifetime Spectroscopy |
| BDH | British Drug House |
| IVC | In Vitro Culture |
| MASE | Microwave-assisted Solvent Extraction |