| Acronym | Meaning |
| DSPES | Depth-selective Photoelectron Spectroscopy |
| CASTNET | Clean Air Status And Trends Network |
| BODC | Born-Oppenheimer Diagonal Correction (in Mol. Calcns.) |
| NAPBN | National Air Pollution Background Network |
| ICAM-1 | Intercellular Adhesion Molecule-1 |
| LOI | Loss Of Imprinting |
| PAHO | Pan American Health Organization |
| AOC | Assimilable Organic Carbon |
| IGY | International Geophysical Year |
| MIESR | Matrix Isolation Electron Spin Resonance |