| Acronym | Meaning |
| HECD | Hot Electron Capture Dissociation |
| MRA | Magnetic Resonance Angiography |
| HVAC | Heating, Ventilating, Air-conditioning |
| TNS | 6-p-Toluidino-2-naphthalenesulfonic Acid |
| AQS | Air Quality Standard |
| FSCE | Free-solution Capillary Electrophoresis |
| NPDWR | National Primary Drinking Water Regulations |
| IAP | Imaging Atom Probe |
| CAFASP | Critical Assessment Of Fully Automated Structure Prediction |
| PGM | Platinum-group Mineral(s) |