| Acronym | Meaning |
| BWCCSD | Brillouin-Wigner Coupled-cluster (with) Single (and) Double (excitations) |
| GAIIA | Global Alliance Of Information Industry Associations |
| PET | Potential Evapotranspiration |
| LLS | Laser Light Scattering |
| MPK | Methyl Propyl Ketone |
| ISEC | Inverse Steric Exclusion Chromatography |
| ARIMAX | Auto Regressive Integrated Moving Average With Exogeneous Input Model |
| AGNPS | Agricultural Non-point Source Pollution |
| ADAM | Angular Distribution Auger Microscopy |
| DATBP | Diallyl Tetrabromophthalate |