| Acronym | Meaning |
| BNF | Biological Nitrogen Fixation |
| ABPA | Allergic Bronchopulmonary Aspergillosis |
| IC | Ion Chromatography |
| OCLC | Online Computer Library Center |
| BTX | Benzene, Toluene, And Xylene |
| APP | Acoustic Phase Plate |
| SET | Single Electron Transistor |
| FATES | FIRFA And TSCA Enforcement System (now Known As SSTS) |
| MSPO | Method Of Successive P |
| CCW | Charge Current Wave (type Of Hartree-Fock Wave Function) |