| Acronym | Meaning |
| SRCC | Single-reference Coupled-cluster |
| CCME | Canadian Council Of Ministers Of The Environment |
| GBH | Gravel Bed Hydroponic System (for Wastewater Treatment) |
| ADA | N-(2-acetamido) Iminodiacetic Acid |
| PAK | P21-Activated Kinase |
| NIWA | National Institute For Water And Atm. Research [New Zealand] |
| SSPG | Steady-state Plasma Glucose |
| UNFCCC | United Nations Framework Convention On Climate Change |
| BOHS | British Occupational Hygiene Society |
| FBA | Fluorescent Brightening Agent |