| Acronym | Meaning |
| SGWD | Submarine Groundwater Discharge |
| NLLSF | Non-linear Least Square Fitting |
| CT | Disinfectant Concn. Times The Contact Time |
| MPO | Metropolitan Planning Organization |
| RDA | Regularized Discriminant Analysis |
| LEES | Local Excess-electron State (a Mol.-crystal Wave Function) |
| ACD | Atmospheric Chemistry Division |
| SPF | Sun Protection Factor |
| MBT | Minimum [spark Advance For] Best Torque |
| CFM | Continued-fraction Method |