| Acronym | Meaning |
| FGF | Fibroblast Growth Factor |
| IMOA | Iterative Maximum Overlap Approximation |
| SCOT | Shell Claus Off-gas Treating |
| QRIOSA | Quantum Reactive Infinite Order Sudden Approxn. |
| HVAC | Heating, Ventilating, Air-conditioning |
| SAI | Simplified Ab Initio Method |
| INDO/CS | INDO/conformation Spectra |
| SPDT | Single-pole Double-throw (switch) |
| BLMO | Boys Localized Molecular Orbital |
| ASTEX | Atlantic Stratus Transition Experiment |