| Acronym | Meaning |
| HPAC | High Performance Affinity Chromatography |
| ENR | Endogenous Nitrate Respiration |
| CIS | Characteristic Isochromat Spectroscopy |
| TICT | Twisted Intramolecular Charge Transfer |
| RIFS | Reflectometric Interference Spectroscopy |
| MEMTB | Many-electron Mol. Tight-binding (for Electronic Structures) |
| ADA | N-(2-acetamido) Iminodiacetic Acid |
| OBK2 | Second-order Oppenheimer-Brinkman-Kramers |
| ACPR | Annular Core Pulse Reactor |
| QFAA | Quartz Furnace Atomic Absorption |