| Acronym | Meaning |
| NESC | National Environmental Supercomputing Center |
| FEWS | Fiber-optic Evanescent Wave Spectroscopy |
| GFPE | Generalized Fokker-Planck Equation |
| QAPW | Quadratic Augmented Plane Wave (in Band-structure Calcn.) |
| AMPTE | Active Magnetosphere Particle Tracer Explorers |
| CBD | Citrate-bicarbonate-dithionite (sample Treatment In Soil Analysis) |
| TDVP | Time-dependent Variational Principle (in Scattering Calcns.) |
| ARDS | Airborne Research Data System |
| BSSE | Basis-set Superposition Error |
| RBM | Random Bonding Model |