| Acronym | Meaning |
 | RZWQM | Root Zone Water Quality Model |
 | WFPC2 | Wide Field Planetary Camera 2 |
 | ITS | Inelastic Tunnelling Spectroscopy |
 | AEC | Acceptable Effluent Concentration |
 | EGTA | Ethylene Glycol Bis(2-aminoethyl Ether)-N |
 | AGCM | Atmospheric General Circulation Model |
 | PO | Projection Operator |
 | CEN | Comite Europeen De Normalization |
 | AR | Attributive Risk |
 | BWCCSD | Brillouin-Wigner Coupled-cluster (with) Single (and) Double (excitations) |