| Acronym | Meaning |
| BPC | British Pharmaceutical Codex |
| PD | Photoelectron Diffraction |
| ASA | Alkenylsuccinic Anhydride |
| DTG | Differential Thermogravimetry |
| OPA | Optical Parametric Amplifier |
| HCG | Human Chorionic Gonadotropin |
| SC | Surface Capacitance |
| LRTI | Lower Respiratory Tract Infection |
| PNH | Paroxysmal Nocturnal Hemoglobinuria |
| EAF | Electric Arc Furnace |