| Acronym | Meaning |
| WFI | Water For Injection (pharmaceutical Term) |
| QC-SCF | Quadratically Convergent SCF (for Closed-shell Systems) |
| ICAM-1 | Intercellular Adhesion Molecule-1 |
| FECS | Federation Of European Chemical Societies |
| SPR | Stroboscopic Pulse Radiolysis |
| TGCE | Thermal Gradient Capillary Electrophoresis |
| LCCO | Light Catalytic Cycle Oil |
| ASA | Alkenylsuccinic Anhydride |
| RDPP | Reverse Differential-pulse Polarography |
| ANDA | Active Nondestructive Analysis |