| Acronym | Meaning |
| HHAP | Heavy Hydroaroms. From Petroleum |
| SCM | Surface Complexation Model (of Adsorption) |
| CI-HY | Configuration Interaction-Hylleraas |
| DCTP | Direct-current Tast Polarography |
| HSCR | Hirschsprung Disease |
| INO | Iterative Natural Orbital |
| SMB | Simulated Moving Bed |
| TSSMS | Time Sharing Service Management System |
| BDD | Boron-doped Diamond |
| PBC | Primary Biliary Cirrhosis |