| Acronym | Meaning |
| TDSF | Time-dependent Spencer-Fano (in At. And Mol. Inelastic Collisions) |
| IAC | Impregnated Activated Carbon |
| FPD | Freezing Point Depression |
| PWETF | Plane-wave Electronic Translational Factor (ion-atom Collisions) |
| MDCK | Madin-Darby Canine Kidney |
| SCOT | Shell Claus Off-gas Treating |
| BOVB | Biorthogonal Valence Bond |
| SCC | Self-consistent Collective Coordinate (in Reactive Collisions) |
| CNDO/FK | Complete Neglect Of Differential Overlap/ Fischer-Kollmar |
| MIESR | Matrix Isolation Electron Spin Resonance |