| Acronym | Meaning |
| BHN | Brinell Hardness Number |
| TAMS | Tandem Accelerator Mass Spectrometry |
| CPSSR | Coulomb-repulsion Perturbed Stationary State With Relativistic Effects |
| BART | Best Available Retrofit Technology |
| MAFID | Moment Analysis Of Fluorescence-intensity Distribution |
| APTI | Air Pollution Training Institute |
| NIR | Near Infrared |
| STB | Semiempirical Tight Binding |
| FAPES | Furnace Atomization Plasma Emission Spectrometry |
| ERT | Effective-range Theory (in Mol. Calcns.) |