| Acronym | Meaning |
| ONWI | Office Of Nuclear Waste Isolation |
| COV | Coefficient Of Variation |
| ENR | Endogenous Nitrate Respiration |
| ISLSCP | International Satellite Land Surface Climatology Project |
| IMO | International Maritime Organization |
| CCG | Constant Crystal Growth (model) |
| UTLA | Ultra Thin Layer Activation |
| CSA | Coupled Static Approxn. (in Scattering Calcns.) |
| ZORA | Zeroth-order Regular Approximation |
| BCNTF | Biofilm-Controlled Nitrifying Trickling Filter (for Wastewater Treatment) |