| Acronym | Meaning |
| LCCO | Linear Combination Of Cellular Orbital |
| GCTE | Global Change And Terrestrial Ecosystems |
| ZLS | Zeeman Laser Scattering |
| UOT | Universal Oxidn. Test |
| EHT | Extended Hueckel Theory |
| APTT | Activated Partial Thromboplastin Time |
| AICUZ | Air Installation Compatible Use Zones |
| SEXAFS | Surface-extended X-ray Absorption Fine Structure |
| CTAC | Counterdrug Technology Assessment Center |
| ELG | Emission-line Galaxy |