| Acronym | Meaning |
| TMJ | Temporomandibular Joint |
| CMT | Cadmium Mercury Telluride |
| RATL | Risk Analysis Testing Laboratory |
| ASD | Active Subslab Soil Depressurization (for Radon Minimization In Buildings) |
| IFM | Interfacial Force Microscopy |
| IWOP | Integration Within (an Ordered Product Of) Operators |
| OP | Overlap Population |
| SMCM | Spatial Multimedia Compartmental Model |
| HHW | Household Hazardous Waste |
| ISFSI | Independent Spent Fuel Storage Installation |