| Acronym | Meaning |
| IPDA | Intensified Photodiode Arrays |
| PWBA | Plane-Wave Born Approximation |
| MOEMS | Micro-opto-electromechanical System |
| LCW | Liquid Core Waveguide |
| SCBA | Self-Contained Breathing Apparatus |
| MTC | Magnetization Transfer Contrast |
| SRCCSDT | Single-reference Coupled-cluster (with) Single (and) Double (and) Triple (excitations) |
| UNAMAP | Users' Network For Applied Modeling Of Air Pollution |
| MEMPT | Many-electron Many-photon Theory (in Dynamic-polarizability Calcns. For Atoms And Ions) |
| MOCETGAO | Molecule-optimized Contracted Even-tempered Gaussian Atomic Orbital |