| Acronym | Meaning |
| ACC-IOS | Azimutal Close Coupled-infinite Order Sudden |
| SALS | Small-angle Light Scattering |
| ATR-FTIR | Attenuated Total Reflection-Fourier-transform IR Spectroscopy |
| LSS | Laboratory Safety System |
| LCAO LSD | Linear Combination Of Atomic Orbitals-local Spin Density |
| NCSCI | National Center For Standards And Certification Information |
| MSW | Municipal Solid Waste |
| FAGS | Federation Of Astronomical And Geophysical Services |
| TDI | Tolerable Daily Intake |
| RELMA | Remote Laser Microanalysis |