| Acronym | Meaning |
| PVO | Pseudovalence Orbital |
| LAS | Linear Alkylbenzene Sulfonates (anionic Surfactants) |
| JPEG | Joint Photographic Expert Group |
| ADL | Analytical Detection Limit |
| AOVB | Atomic Orbital Valence Bond (molecular Wave Function) |
| LSD | Lysergic Acid Diethylamide |
| CSTB | Scientific And Technical Center For Building (French; Centre Scientifique Et Technique Du Batiment) |
| MC-INDO | Mol. Cluster-intermediate Neglect Of Differential Overlap |
| EEE | Exoelectron Emission |
| CMO | Canonical Molecular Orbital |