| Acronym | Meaning |
| MAO | Methyl Aluminoxanes |
| DTC | Developmental Test Command [US Army] |
| PCGVB | Pairwise Correlated Generalized Valence Bond Method |
| IMPATT | Impact Avalanche Transit-time |
| SOAP | Spectrometric Oil Analysis Program |
| DVR | Discrete Variable Representation (in Wave Function Calcn.) |
| LUST | Leaking Underground Storage Tank |
| PWO | Plane Wave Orbital |
| HPLS | Hierarchical Partial Least Squares |
| NOET | NASA Operational Environment Team |