| Acronym | Meaning |
| UCS | Unconfined Compressive Strength |
| DVMO | Directed-valence Molecular Orbital |
| ACAMS | Automatic Continuous Air Monitoring System |
| RCRA | Resource Conservation And Recovery Act Of 1976 |
| AOT60 | Accumulated Ozone Exposure Above A Threshold Value Of 60 Ppb |
| NAI | Neutral Atom Imaging (astronomical Plasmas) |
| AQM | Acenaphthenequinone Monoxime |
| OPCW | Organization For Prohibition Of Chemical Weapons |
| WAXS | Wide-angle X-ray Scattering |
| MPR | Maximum Permissible Risk |