| Acronym | Meaning |
| APGF | Antisymmetrical Product Of Group Functions (a Wave Function) |
| DWC | Deasphalted Whole Crude |
| MLSCN | Molecular Libraries Screening Centers Network |
| PRE | Proton Relaxation Enhancement |
| SSTI | Small System Technol. Initiative (USEPA) |
| TNOA | Target Natural Orbital Approximation |
| PAT | Process Analytical Technology |
| SUSTECH | Sustainable Technologies Initiative [European Communities] |
| OCOS | Orbital Charge-ordering State |
| AADA | Abbreviated Antibiotic Drug Application |