| Acronym | Meaning |
| INMS | Institute For National Measurement Standards |
| SANDER | Simulated Annealing With NMR-derived Energy Restraints |
| APS | Aerodynamic Particle Sizer |
| SGCR | Subcommittee Global Change Research |
| EDC | Ethylene Dichloride |
| DEM | Distinguishable Electron Method |
| BCPCT | Best Conventional Pollutant Control Technology |
| BRAVO | Big Bend Regional Aerosol And Visibility Observational Study |
| SIC | Self-interaction Correction (in Exchange-energy Calcns.) |
| OHAO | Orthogonalized Hybrid Atomic Orbital |