| Acronym | Meaning |
| ILS | Intracavity Laser Spectroscopy |
| VAFTAD | Volcanic Ash Forecast Transport And Dispersion |
| STAS | Scientific And Technical Attribute And Element Set |
| ASA | Alternancy Symmetry Adapted (method For Spin-independent Hamiltonians For Alternant Hydrocarbons) |
| ICZ | Initial Contact Zone(s) |
| CPAP | Continuous Positive Airway Pressure |
| TSEE | Thermally Stimulated Exoelectron Emission |
| USMAR | Upflow Static-Media Anaerobic Reactor |
| TELD | Transferred-electron Logic Device |
| SDCPA | Site-dependent Coherent Potential Approxn. |