| Acronym | Meaning |
| HMI | Hornbeck-Molnar Ionization (homonuclear Associative Ionization In At. Collisions) |
| DED | Death Effector Domain |
| ERCP | Endoscopic Retrograde Cholangiopancreatography |
| MOMO | Maximum Overlap Molecular Orbital |
| EBPVD | Electron Beam Physical Vapor Deposition |
| LEO | Low Earth Orbit |
| CBDE | Chemical And Biological Defence Establishment |
| CRIS | Cosmic-Ray Isotope Spectrometer |
| AV | Apparent Viscosity |
| RED | Radiation Enhanced Diffusion |