| Acronym | Meaning |
| VD-RCC | Vibrational Diabatic-rotational Close-coupled (method In Mol. Collision Calcns.) |
| VAP | Valence Alternation Pair (bonding Configuration Model) |
| GNLSE | Generalized Nonlinear Schroedinger Equation |
| MIRIS | Multiple Internal Reflection IR Spectroscopy |
| SFCCCC | Space-fixed Complex-coordinate Coupled-channel Method |
| AERMOD | AMS/EPA Regulatory Model |
| TDC | Top Dead Center |
| HAC | Hydrogen-assisted Cracking |
| USBM | US Bureau Of Mines |
| FFAR | Fuel And Fuel Additive Registration |