| Acronym | Meaning |
| PAW | Plasma Arc Welding |
| SAES | State Agricultural Experiment Stations |
| UEGO | Universal Exhaust Gas Oxygen Sensor |
| CPD | Cyclobutane Pyrimidine Dimer |
| HAISP | High Altitude Interactive Science Platform |
| CID | Configuration Interaction With Double Substitution |
| CAEAL | Canadian Association For Environmental Analytical Laboratories |
| RNR | Ribonucleotide Reductase |
| APSG | Antisymmetrized Product Of Spin Geminals Method |
| SPALEED | Spot Profile Analysis Low Energy Electron Diffraction |