| Acronym | Meaning |
| SNRNP | Small Nuclear Ribonucleoprotein |
| RFG | Reformulated Gasoline |
| LGM | Linearized Green-function Method (for Electronic-structure) |
| PBA | Poly(butyl Acrylate) |
| ASM | Autosampler Module |
| MAESA | Measurements For Assessing The Effects Of Stratospheric Aircraft |
| LAOCOON | Least-squares Adjustment Of Calculated On Observed NMR Spectra |
| ADMS | Atmospheric Dispersion Modeling System |
| EB | Extended Basis (set) |
| MCA | Middle Cerebral Artery |