| Acronym | Meaning |
| AIJ | Activities Implemented Jointly [related To Greenhouse Gas Control] |
| HATR | Horizontal Attenuated Total Reflection |
| BSE | Backscattering Electrons |
| GTE | Global Tropospheric Experiment |
| TEC | Teo Electron Counting Method (for Complexes |
| SART | Specific Alternation Of Rhythm In Temperature |
| CEQ | Collinear Exact Quantum (method In Reactive-scattering Calcn.) |
| PLIF | Planar Laser Induced Fluorescence |
| EFA | Essential Fatty Acid |
| SSL | Spent Sulfite Liquor |