| Acronym | Meaning |
| HCA | Human Carbonic Anhydrase |
| PTRI | Programmed Temperature Retention Index |
| LCCO | Light Catalytic Cycle Oil |
| XPM | X-ray Photoelectron Microscopy |
| EFS | Event-free Survival |
| MOPW | Modified Orthogonalized Plane Wave |
| IBD | Inflammatory Bowel Diseases |
| ERD | Emergency Response Division |
| CIPW | Cross, Iddings, Pirrson, And Washington (for Geology Terminology) |
| ECMCAD | Extracellular Matrix And Cell Adhesion Molecule |