| Acronym | Meaning |
| PRESS | Point Resolved Spectroscopy |
| MESIP | Modeling Environmental Scenarios In Ponds |
| CISP | Canadian Indoor Source Profile |
| CCA | Channel Coupling Array (quantum Theory For Atoms And Mols.) |
| MCSTEP | Multiconfigurational Spin-tensor Electron Propagator |
| CIS | Characteristic Isochromat Spectroscopy |
| PRDA | Program Research And Development Announcement |
| SMOW | Standard Mean Ocean Water |
| RPP | Reverse Pulse Polarography |
| SSA | Spherical Sector Analysis |