| Acronym | Meaning |
| WFI | Water For Injection (pharmaceutical Term) |
| CHMO | Constrained Hartree-Fock Orbitals |
| PAW | Plasma Arc Welding |
| RACI | Royal Australian Chem. Institute |
| SDSL | Site-directed Spin Labeling |
| NADP | National Atmospheric Deposition Program |
| HCA | Human Carbonic Anhydrase |
| HADES | High Activity Disposal Exptl. Site [for Radioactive Waste] |
| ICRF | Ion Cyclotron Range Of Frequencies |
| LEMOFS | Laser-excited Molecular Fluorescence Spectrometry |