| Acronym | Meaning |
| OCBSE | Orthogonality Constrained Basis Set Expansion Prodedure |
| BATSE | Burst And Transient Source Experiment |
| PBL | Planet Boundary Layer (in Atmospheric Chemistry And Physics) |
| ECOP | Electron Correlation Polarization (potential) |
| SAPS | Spherical Average Pseudopotential |
| LMREE | Light-medium Rare Earth Element(s) |
| HAI | Histol. Activity Index |
| FALS | Familial Amyotrophic Lateral Sclerosis |
| LPL | Lipoprotein Lipase |
| GPT | Glutamic Pyruvic Transaminase |