| Acronym | Meaning |
| SI | Site Investigation |
| BORT | Bond Orbital Resonance Theory |
| CHW | Coherent Hole Wave (quantum Excitations In Solids) |
| HMIMS | Hazardous Materials Incident Management System |
| HGH | Human Growth Hormone |
| THEED | Transmission High-energy Electron Diffraction |
| ASIP | Aircraft Structural Integrity Program |
| RIM | Reaction-injection Molding |
| CPI | Carbon Preference Index |
| UDP | Uridine 5'-diphosphate |