| Acronym | Meaning |
| FTNMR | Fourier-transform Nuclear Magnetic Resonance |
| ACAR | Angular Correlation Of Annihilation Radiation |
| IPS | Inclined Plate Settler (for Wastewater Treatment) |
| LNG | Liquefied Natural Gas |
| RDI | Reference Daily Intake |
| QAMS | Quality Assurance Management Staff (US EPA) |
| IOS | Infinite Order Sudden Approximation |
| ANSOM | Apertureless Near-field Scanning Optical Microscopy |
| EFS | Event-free Survival |
| HFP | Hartree-Fock Perturbation |