| Acronym | Meaning |
| HMPT | Hexamethylphosphoric Triamide |
| CCM | Complex Coordinate Method (in Calcns. On Quantum Tunneling) |
| BOLD | Blood Oxygenation Level-dependent |
| FEBIAD | Forced Electron Beam Induced Arc Discharge |
| ESDIM | Earth System Data And Information Management |
| GPC | Gel Permeation Chromatography |
| EPC | Epoxy Polymer Concrete |
| PMN | Lead Magnesium Niobate |
| NOONS | Natural Orbitals Occupation Numbers |
| LOSC | Law Of The Sea Convention |