| Acronym | Meaning |
| GWP | Gaussian Wave Packet |
| MSS | Mobile Servicing Station [space Station] |
| EET | Electronic Energy Transfer |
| DIAL | Differential Absorption Lidar (laser Radar Sensing) |
| MLT | Magnetic Local Time |
| HWRTF | Hazardous Waste Restrictions Task Force |
| FTNMR | Fourier-transform Nuclear Magnetic Resonance |
| LEMOFS | Laser-excited Molecular Fluorescence Spectrometry |
| SGGA | Symmetric Group Graphical Approach (in CI Calcns.) |
| SDA | Spray Drying Absorber |