| Acronym | Meaning |
| TEO | Topological Equivalent Orbital |
| BPB | 4-bromophenacyl Bromide |
| IRP | Installation Restoration Program |
| AFPR | Alliance Of Foam Packaging Recyclers |
| RWKB | Relativistic Wentzel-Kramers-Brillouin |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| GIOS | Generalized Infinite Order Sudden |
| AEM | Acoustic Emission Monitoring |
| HEDS | Human Exploration And Development Of Space |
| EBHT | Electron Beam Hardening Treatment |