| Acronym | Meaning |
| GRI | Geosynthetics Research Institute (Drexel University |
| SC-SI | Semiclassical State Interaction (method For Solving Schroedinger Equation) |
| NEET | National Environmental Education And Training Program |
| HVEM | Herpesvirus Entry Mediator |
| TID | Traveling Ionospheric Disturbance |
| GLNPO | Great Lakes National Program Office |
| APAD | 3-acetylpyridine Adenine Dinucleotidepar |
| DOAS | Differential Optical Absorption Spectroscopy |
| PDRM | Post-depositional Remanent Magnetization |
| MINDO/3L | Modified Intermediate Neglect Of Differential Overlap/3 For Limited Electrons |