| Acronym | Meaning |
| PCOS | Polycystic Ovary Syndrome |
| OCE | One-center Expansion (SCF MO Method) |
| VISTTA | Visibility Impairment From Sulfur Transformation And Transport In The Atmosphere |
| ALS | Antilymphocyte Serum |
| PIMBE | Plasma-induced Molecular-beam Epitaxy |
| MRT | Mean Residence Time |
| NMPIMC | Normal Mode Path Integral Monte Carlo |
| HASL | Hot Air Solder Leveling [electronics] |
| EPA | Environment Potential Approach (in Electronic-structure Calcn.) |
| SQC | Sediment Quality Criteria |