| Acronym | Meaning |
| SINDO | Symmetrically Orthogonalized Intermediate Neglect Of Differential Overlap |
| CMS | Complete Model Space (in Many-body Calcns.) |
| NRFE | Normalised Relative Fit Error |
| FATE | Functional Attributes In Terrestrial Ecosystems |
| LTDU | Land Treatment Demonstration Unit |
| DOS | Di(2-ethylhexyl) Sebacate |
| WALTZ | Wonderful Alternating Phase Technique For Zero Residual Splittings |
| WSD | Water Saturation Deficit |
| MBT | Many-body Theory |
| APE | Aerosol Photoemission |