| Acronym | Meaning |
| DARPA | Defense Advanced Research Projects Agency (Department Of Defense) |
| TLS | Thermal Lens Spectrometry |
| SPLEEM | Spin-polarized Low-energy Electron Microscopy |
| SUCCESS | Subsonic Aircraft: Contrail And Cloud Effects Special Study |
| MFA | Molecular-field Approximation |
| COI | Constituents Of Interest |
| EROS | Earth Resources Observation Satellite |
| CPF | Carcinogenic Potency Factor |
| ERNS | Emergency Response Notification System |
| PMA | Pharmaceutical Manufacturers Association |