| Acronym | Meaning |
| IARC | International Agency For Research On Cancer |
| EIFS | Exterior Insulation And Finish Systems [coatings] |
| HT-EOVC | High-temperature Engine Oil Viscosity Classification |
| FAFS | Flame Atomic Fluorescence Spectroscopy |
| APGF | Antisymmetrical Product Of Group Functions (a Wave Function) |
| WWAP | World Water Assessment Programme |
| SDSL | Site-directed Spin Labeling |
| ECR | Electron Cyclotron Resonance |
| CDPF | Catalytic Diesel Particulate Filter |
| CIPAC | Collaborative International Pesticides Analytical Council |