| Acronym | Meaning |
| NSH | Normalized Spherical Harmonic (hamiltonian) |
| AMMA | Acrylonitrile-methyl Methacrylate Copolymer |
| BPAI | Board Of Patent Appeals And Interferences |
| ADA | American Diabetes Association |
| STEL | Short Term Exposure Limit |
| FEFA | Fiber-optic Evanescent Field Absorption |
| CSEM | Coherent Self-energy Method |
| SIFS | Solvent-induced Frequency Shifts |
| MSA | Methanesulfonic Acid (air Pollutant) |
| EXGF(1) | Extended Group Function(1) (model Wave Function Accounting For Electron Correlation) |