| Acronym | Meaning |
| IECT | Impulsive Ergodic Collision Theory |
| TEO | Topological Equivalent Orbital |
| NSE | Nonlinear Schroedinger Equation |
| ESA-IRS | European Space Agency-Information Retrieval Service |
| VU-LCC | Valence-universal-linear Coupled Cluster |
| ACAMS | Automatic Continuous Air Monitoring System |
| TRIPAS | Time-resolved Impulse Photoacoustic Spectra |
| LASCR | Light-activated Silicon Controlled Rectifier |
| HPL | Human Placental Lactogen |
| DEXAFS | Dispersive Extended X-ray Absorption Fine Structure |