| Acronym | Meaning |
| MLPCA | Maximum Likelihood Principal Component Analysis |
| LIS | Lightning Imaging Sensor |
| EASTT | Environmental Advisory Service For Technology Transfer |
| MALDI | Matrix-Assisted Laser Desorption Ionization |
| TDS | Time-dependent Sudden |
| MC-INDO | Mol. Cluster-intermediate Neglect Of Differential Overlap |
| INEL | Idaho National Engineering Lab. |
| NKB | Nachklarbecken; Secondary Settling Tank |
| MB-SAPT | Many Body-symmetry Adapted Perturbation Theory |
| SESMO | Semiempirical Scaled Molecular Orbital |