| Acronym | Meaning |
| TLS | Two-level System (with Tunneling Transitions Between Wells Of Double-well Potential) |
| TDSE | Time-dependent Schroedinger Equation |
| HASTE | Half-Fourier Acquisition With Single-shot Turbo Spin-echo |
| IAD | Ion Assisted Deposition |
| SWNT | Single-wall Nanotube |
| EAZO | Energetically Active Zones Of The Ocean |
| CCA | Channel Coupling Array (quantum Theory For Atoms And Mols.) |
| GPUCHF | Geometric Perturbed Uncoupled Hartree-Fock Method |
| WSOEA | Wallace Second-order Eikonal Approximation |
| NDSC | Network For The Detection Of Stratospheric Change |