| Acronym | Meaning |
| NLMO | Nonorthogonal Localized Molecular Orbital |
| RHC | Rubber Hydrocarbon Content |
| NBO | Natural Bond Order |
| FEMP | Federal Energy Management Program |
| PFI | Port Fuel Injection |
| MSBAR | Molecular Structure-biological Activity Relationship |
| HTTP | Hypertext Transfer Protocol |
| RVC | Reticulated Vitreous Carbon (electrode) |
| CNDO | Complete Neglect Of Differential Overlap |
| FAP | Familial Amyloidotic Polyneuropathy |