| Acronym | Meaning |
| OWOW | Office Of Wetlands |
| FKN | Field-Koros-Noyes (mechanism) |
| CBER | Center For Biologics Evaluation And Research |
| AEROCE | Atmosphere-Ocean Chemistry Experiment |
| SMBR | Submerged Membrane Bioreactor |
| SRXRF | Synchrotron Radiation X-ray Fluorescence |
| PMMA | Poly (methyl Methacrylate) |
| STIS | Space Telescope Imaging Spectrograph |
| UGLCC | Upper Great Lakes Connecting Channels |
| HNN | Hybrid Neural Network |