| Acronym | Meaning |
| SMBR | Submerged Membrane Bioreactor |
| RSS | Residual Sum Of Squares |
| CSR | Class Switch Recombination |
| FEG | Field Emission Gun |
| BEPR | Biological Excess Phosphorus Removal |
| MCPB | (4-(2-methyl-4-chlorophenoxy)butyric Acid |
| IMC | Intermetallic Matrix Composite |
| MCR | Mutual Climate Range |
| SLEAF | Scanning Laser Environmental Airborne Fluorosensor |
| ARA | Aggregate Risk Analysis |