| Acronym | Meaning |
| TRIUMF | Tri-University Meson Facility |
| NLAP | Nonlimited Aeration Process (for Waste Treatment) |
| IS | Ionization Spectroscopy |
| UHF | Ultra-high Frequency |
| PARISS | Prism And Reflector Imaging Spectroscopy System |
| CCS | Classical Centrifugal Sudden (in Calcns. On Reactions) |
| OBS-MCSC | Optimized Basis Set-multiconfiguration Spin Coupled |
| PWSA | Ports And Waterways Safety Act |
| SIM | Selected Ion Monitoring |
| NIGA | Neutron Induced Gamma Activity |