| Acronym | Meaning |
| HIPE | High Internal Phase Emulsion |
| BSO | Buthionine Sulfoximine |
| RPEHMO | Relativistically Parametrized Extended Hueckel MO |
| NSS | National Stream Survey (USA) |
| PSII | Photosystem II |
| TRESR | Time-resolved Electron Spin Resonance |
| CCDW | Commensurate Charge-density Wave |
| EFVAO | Electric-field Variant Atomic Orbital |
| GPD | Gaussian Phase Distribution |
| ORAM | Optical Random Access Memory |