| Acronym | Meaning |
| PTSA | Pressure And Temperature Swing Adsorption |
| CRM | Continuous Radon Monitor |
| OPGF | One-particle Green Function |
| ALMV | Alfalfa Mosaic Virus |
| CFR | Code Of Federal Regulations |
| DIGS | Disorder-induced Gap State |
| ROSE | Regional Oxidants In The SouthEast |
| NETD | Noise Equiv. Temp. Difference |
| MBSF | Meters Below Seafloor |
| RSCA | Relativistic Semiclassical Approximation (for At. Scattering) |