| Acronym | Meaning |
| CVA | Characteristic Vector Analysis |
| FRM | Federal Reference Method |
| GRPA | Generalized Random-phase Approximation |
| CEMAS | Complete Element Matrix Analysis From Scattering |
| ASCT | Autologous Stem Cell Transplantation |
| CNT | Carbon Nanotube |
| BRC | Basic Regulatory Control |
| EST | Eastern Standard Time |
| SSC | Sudden Storm Commencement (magnetic Storm) |
| BOA | Bidirectional Orbital Approximation (in Valence Bond Theory) |