| Acronym | Meaning |
| BNF | Biological Nitrogen Fixation |
| MEHT | Modified Extended Hueckel Theory |
| DIN | Dissolved Inorganic Nitrogen |
| EQTC | Environmental Quality Target Concentration |
| DEC | Department Of Environmental Conservation |
| FAME | Fatty Acid Methyl Ester |
| OLF | Overland Flow |
| HEMPAS | Hereditary Erythroblastic Multinuclearity With Positive Acidified Serum Lysis Test |
| OBK | Oppenheimer-Brinkman-Kramers (approxn. In Atom-ion Electron-exchange Calcns.) |
| PKD | Protein Kinase D |