| Acronym | Meaning |
| FCI | Fuel Coolant Interaction |
| MAXI | Monitor Of All-sky X-ray Image |
| IBAE | Ion Beam Assisted Etching |
| ODS | Oxide Dispersion-strengthened |
| TFR | Transferrin Receptor |
| CRREL | US Army Cold Regions Research And Engineering Laboratory |
| NCHS | National Center For Health Statistics |
| ESIS | European Structural Integrity Society |
| PIO | Paired Interaction Orbital |
| COBE | Cosmic Background Explorer Satellite (NASA) |