| Acronym | Meaning |
| RITZ | Regulatory And Investigative Treatment Zone |
| LNO | Localized Natural Orbital |
| NACEPT | National Advisory Council For Environmental Policy And Technology |
| NETI | National Enforcement Training Institute |
| IFPC | Integrated Flight And Propulsion Control |
| DETOCSY | Diffusion Edited Total Correlation Spectroscopy |
| CGC | Constrained Geometry Catalyst |
| HIS | High Intensity Spectrometer |
| GOCE | Gaussian Overlap Potential With Const. Well Depth |
| HPET | High Performance Engineering Thermoplastic |