| Acronym | Meaning |
| APT | Attached Proton Test |
| UDWA | Unitarized Distorted-wave Approximation |
| RKB | Restricted Kinetic Balance (method In Calcns. Of Wave Functions And Energies) |
| RTCDW | Relativistic Target Continuum Distorted Wave (approxn. For Electron Capture In Ion-atom Collisions) |
| FEED | Field Emission Energy Distribution |
| HGMF | High Gradient Magnetic Filtration |
| CIDA | Cometary Impact Dust Analyzer |
| APS | Active Pixel Sensor |
| HS-MR-CCSD | Hilbert Space-multireference-coupled Cluster (with) Single (and) Double (excitations) |
| PCI | Peripheral Component Interconnect |