| Acronym | Meaning |
| ARIP | Accidental Release Information Program |
| TIP | Total Isomerization Process |
| SPCE | Screen-printed Carbon Electrode |
| PSRP | Process To Significantly Reduce Pathogens (of EPA) |
| INDO/S | Intermediate Neglect Of Differential Overlap Screened Approxn. |
| PWHT | Post-weld Heat Treatment |
| FRAPP | Fluorescence Recovery After Patterned Photobleaching |
| AFOE | Advanced Fiber Optic Echelle Spectrometer |
| TEWI | Total Equivalent Warming Impact |
| IPA | Independent-particle Approximation (in Quantum Calcns. On Solids) |