| Acronym | Meaning |
| FSOT | Fused Silica Open Tubular |
| IGBP | International Geosphere Biosphere Programme |
| BEIA | Biomedical And Environmental Information Analysis |
| FP-LMTO | Full-potential Linear Combination Of Muffin-tin Orbitals |
| HFET | Highway Fuel Economy Test |
| SPPD | Spin Polarized Photoelectron Diffraction |
| MESA | Mass Concentration Extinction Size Analyzer |
| NOD | Nitrogenous Oxygen Demand |
| DSLFS | Doppler-shift Laser Fluorescence Spectroscopy |
| EMZDO | Exchange Modified Zero Differential Overlap |