| Acronym | Meaning |
| TANGO | Testing For Adjacent Nuclei With A Gyration Operator |
| HBT | Hanbury Brown Twiss (interferometry) |
| MOSES | Mineral Oil Spill Evaluation System |
| ULPA | Ultra Low Penetration Air |
| ERS | External Reflection Spectroscopy |
| AAU | Amendment To Allege Use |
| LDEF | Long Duration Exposure Facility (for Spacecraft Material Testing) |
| CHRIS | Chemical Hazards Response Info System |
| RKKR-GF | Relativistic Koringa-Kohn-Rostoker Green Function |
| PMO | Periodic Mesoporous Organosilica |