| Acronym | Meaning |
| TBA | Tight Binding Approximation |
| NGF | Nerve Growth Factor |
| ASTRAP | Advanced Statistical Trajectory Regional Air Pollution Model |
| SRA | Sudden Rotation Approximation |
| MIRIS | Multiple Internal Reflection IR Spectroscopy |
| DNR | Department Of Natural Resources |
| MDI | Modified Dipole Interaction(model For Mol.-polarizability Calcn.) |
| FIGLU | Formiminoglutamic Acid |
| CS | Configuration Space (in Wave Functions) |
| CERDA | Coincident Elastic Recoil Detection Analysis |