| Acronym | Meaning |
| PWS | Public Water System |
| BWCCD | Brillouin-Wigner Coupled-cluster (with) Double (excitation) |
| CGTO | Combination Of Gaussian Type Orbitals |
| MSS | Multispectral Scanner |
| APMI | American Powder Metallurgy Institute |
| ALPS | Autoimmune Lymphoproliferative Syndrome |
| TOPO | Trioctylphosphine Oxide |
| OHD | Optical Heterodyne Detection |
| SPLEEM | Spin-polarized Low-energy Electron Microscopy |
| MEECC | Microemulsion Electrokinetic Capillary Chromatography |