| Acronym | Meaning |
| PBP | Pheromone-binding Protein |
| WILT | Waste Interface Leaching Test |
| CAC | Critical Aggregation Concentration |
| FKBP | FK506 Binding Protein |
| PWETF | Plane-wave Electronic Translational Factor (ion-atom Collisions) |
| HUGO | Human Genome Organization |
| STLC | Soluble Threshold Limit Concentration |
| PMLG | Phase Modulated Lee-Goldburg (NMR Spectrometry) |
| DRF | Direct Reaction Field (for Intermol. Interactions) |
| MR-CI-PS | Multireference-CI-perturbatively Selected |