| Acronym | Meaning |
| CEIS | Center For Environmental Information And Statistics (EPA) |
| ASDES | Aircraft Sensor Data For The Earth Sciences |
| MRINDO | Modified Rydberg Intermediate Neglect Of Differential Overlap |
| DZD | (double Zeta)-diffuse (basis Set In Configuration-mixing MO Calcns. On Mols.) |
| TGVBA | Target Generalized Valence Bond Approximation |
| PHIP | Para-Hydrogen Induced Polarization |
| THEED | Transmission High-energy Electron Diffraction |
| HIRLAM | High Resolution Limited Area Model |
| GSMBE | Gas Source Molecular-beam Epitaxy |
| LHPG | Laser-heated Pedestal Growth |