| Acronym | Meaning |
| METAALICUS | Mercury Experiment To Assess Atmospheric Loading In Canada And The US |
| ITS | Inelastic Tunnelling Spectroscopy |
| HLVB | Heitler-London Valence Bond |
| DODISS | Department Of Defense Index Of Specifications And Standards |
| ALS | Advanced Light Source |
| NOGF | Nonorthogonal Group Function Approximation |
| CAA | Clean Air Act Of 1970 |
| 3SR | Self-sustained Sequence Replication |
| CDOM | Chromophoric Dissolved Organic Matter |
| EIL | Electron Injection Layer |