| Acronym | Meaning |
| GRASP | Gradient Accelerated Spectroscopy |
| NICISS | Neutral Impact Collision Ion Scattering Spectroscopy |
| SCFB | Standard Cubic Feet Per Barrel |
| SSL | Spent Sulfite Liquor |
| PCE | Polychromatic Erythrocytes |
| ABL | Atmospheric Boundary Layer |
| CTB | Computer Technology Branch |
| ESE | Electron Spin Echo |
| SHT | Surface Hopping Trajectory (model For Mol. Scattering) |
| ACPD | Alternating Current Potential Drop |