| Acronym | Meaning |
| MINDO/3L | Modified Intermediate Neglect Of Differential Overlap/3 For Limited Electrons |
| VETESS | Vehicle Transient Emissions Simulation Software |
| OCBSE | Orthogonality Constrained Basis Set Expansion Prodedure |
| HELP | Hydrologic Evaluation Of Landfill Performance Model |
| IPC | Integrated Pollution Control |
| LAMMS | Laser Micro Mass Spectrometry |
| AIEMP | Ab Initio Embedding Model Potential |
| AWG | American Wire Gauge |
| MESNA | Sodium 2-mercaptoethane Sulfonate |
| IX | Ion Exchange |