| Acronym | Meaning |
| ASBF | Aerated Submerged Biological Filter |
| NIWA | National Institute For Water And Atm. Research [New Zealand] |
| ARB | Air Resources Board (California) |
| ALMR | Advanced Liquid Metal Reactor |
| BMC | Bulk-molding Compound |
| FPT | Finite Perturbation Theory |
| APA | Administrative Procedure Act |
| APM | Airborne Particulate Matter |
| TPR | Tetratricopeptide Repeat |
| AGWSE | Association Of Ground Water Scientists And Engineers |