| Acronym | Meaning |
| JSR | Jet-stirred Reactor |
| KISS | KPNO International Spectroscopic Survey |
| NEWWA | New England Water Works Association |
| MBBR | Moving Bed Biofilm Reactor |
| ZF-NQR | Zero-field-nuclear Quadrupole Resonance |
| HSOS-CCSD | High-spin Open-shell-CCSD |
| TACT | Trans Alaska Crustal Transect |
| ANG II | Angiotensin II |
| HFO | Hartree-Fock Orbital |
| LZC | Liquid Zone Control (in Alloy Processing) |