| Acronym | Meaning |
| HAM/N | Hydrogenic Atoms In Molecules |
| APC | Anaphase-promoting Complex |
| OPANA | Operational Version Of The Atm. Mesoscale Numerical Pollution Model |
| SBAR | Sequencing Batch Anaerobic Reactor(s) |
| TNFSF | Tumor-necrosis Factor Superfamily |
| RACER | Research On Antarctic Coastal Ecosystem Rates |
| CSF | Cerebrospinal Fluid |
| MIBK | Methyl Isobutyl Ketone |
| EBW | Electron Beam Welding |
| WSOC | Water-soluble Organic Carbon |