| Acronym | Meaning |
| PVP | Polyvinyl Pyrrolidone |
| LASTO | Linear Augmented Slater-type Orbital (for Electronic Structure) |
| LSW | Localized Spherical Wave (in Electronic Structure Calcns.) |
| APFO | Ammonium Perfluorooctanoate |
| ABP | Androgen-binding Protein |
| NMOG | Non-Methane Organic Gases |
| INDOEX | Indian Ocean Experiment |
| CSF | Carcinogenic Slope Factor |
| CHP | Combined Heat Power |
| FMO | Floating Molecular Orbital |