| Acronym | Meaning |
| TROLL | Transmitter And Receiver Of Laser Light |
| LEAP | Local-electrode Atom Probe |
| GCMC | Grand Canonical Monte Carlo |
| SV | Space Velocity |
| GLF | Gaussian Lobe Function |
| NPCR | Nonlinear Principal Components Regression |
| OARM | Office Of Administration And Resources Management (USEPA) |
| MODR | Microwave Optical Double Resonance |
| ZDDO | Zero Diatomic Differential Overlap |
| TIW | Time-independent Wave Packet |