| Acronym | Meaning |
| PIMA | Polyisocyanurate Insulation Manufacturers Association |
| CASTNET | Clean Air Status And Trends Network |
| SO-LAPW | Spin-orbit (coupling) Linearized Augmented Plane Wave |
| SLAP | Standard Light Antarctic Precipitation |
| GREAT-ER | Geog.-referenced Regional Exposure Assessment Tools For European Rivers |
| PAX | Photoemission Of Adsorbed Xenon |
| HILDA | High-Latitude Exchange/Interior Diffusion-Advection Model |
| AIEMP | Ab Initio Environment Model Potential |
| LHEA | Laboratory For High Energy Astrophysics |
| ARE | Activated Reactive Evaporation |