| Acronym | Meaning |
| ASTIS | Arctic Science And Technology Information System |
| PIMC | Path-integral Monte-Carlo |
| PWS | Public Water System |
| HT-EOVC | High-temperature Engine Oil Viscosity Classification |
| CCSDT | Coupled Cluster With Single |
| GSMBE | Gas Source Molecular-beam Epitaxy |
| XBIS | X-ray Bremsstrahlung Isochromat Spectroscopy |
| EPCE | Effective Pair Correlation Energy Method |
| TLD | Thermoluminescent Dosimeter |
| FFAR | Fuel And Fuel Additive Registration |