| Acronym | Meaning |
| IRRS | IR Reflection Spectroscopy |
| CEH | Cholesteryl Ester Hydrolase |
| FSC | Fluorescent Solar Concentrator |
| ERCP | Endoscopic Retrograde Cholangiopancreatography |
| CHELEQ | Charge Electronegativity Equalization |
| ITC | International Translation Center |
| SBIG | Subject-based Information Gateway |
| SW X(ALPHA) | Scattered Wave X(alpha) |
| OLCAO | Orthogonalized Linear Combination Of Atomic Orbitals |
| TCA | Trichloroacetic Acid |