| Acronym | Meaning |
| UPF | UV Protection Factor |
| ETP | Emerging Technology Program (USEPA SITE) |
| SO | Stieltjes Orbitals (for Mol. Photoionization Continua) |
| TZP | Tetragonal Zirconia Polycrystal |
| CETP | Channel Equiv. Of A Theor. Plate |
| JAERI | Japanese Atomic Energy Research Institute |
| ECP | Effective Core Potential Approxn.(in Electronic-structure Calcn.) |
| FGEF | Federal Geographic Encoding Format |
| ADI | Alternating Direction Implicit (method) |
| SPCE | Screen-printed Carbon Electrode |