| Acronym | Meaning |
| COF | Coefficient Of Friction |
| PCT | Patent Cooperation Treaty |
| AMOS | Automated Meteorological Observing System |
| IT | Integral Transform |
| CCA | Channel Coupling Array (quantum Theory For Atoms And Mols.) |
| THCP | Total Hazard Control Plan |
| UNESCO | United Nations Educational |
| DZDP | (double Zeta)-diffuse-polarization (basis Set In Configuration-mixing Mo Calcns. On Mols.) |
| EMG | Exponentially Modified Gaussian |
| IAC | Impregnated Activated Carbon |