| Acronym | Meaning |
| GGWPD | Generalized Gaussian Wave-packet Dynamics |
| GMO | Genetically Modified Organism |
| ESEM | Electron Spin Echo Modulation |
| FTEMIRS | Fourier Transform Electrochem. Modulated IR Spectroscopy |
| EXGF(1) | Extended Group Function(1) (model Wave Function Accounting For Electron Correlation) |
| HEUR | Hydrophobe Modified Ethoxylated Urethane [polymer] |
| CAT | Clear Air Turbulence |
| COMFET | Conductivity-modulated Field Effect Transistor |
| GLNPO | Great Lakes National Program Office |
| MPI | Modified Perturbation Iteration |