| Acronym | Meaning |
| PEXAFS | Photoemission Extended X-ray Absorption Fine Structure |
| QTCS | Quantum Theorem Of Corresponding States |
| SMA | Shape Memory Alloy |
| TCR | Temperature Coefficient Of Resistance |
| QPA | Quantitative Phase Analysis |
| TISAB | Total Ionic Strength Adjustment Buffer (for Fluoride) |
| GIWA | Global International Waters Assessment |
| MPDS | Moment-polarized Dirac-Slater |
| MODULUS | Methods Of Determining And Understanding Light Elements From Unequivocal Stable Isotope Compositions |
| LIT | Linear Ion Trap |