| Acronym | Meaning |
| STT | Surface Tension Transfer |
| SCM | Self-consistent Multipolar (method In Metal Cluster Calcns.) |
| SMOW | Standard Mean Ocean Water |
| HAGAR | High Altitude Gas Analyzer |
| EBIT | Electron Beam Ion Trap |
| MILES | Micro In Situ Laser Extraction System |
| AECB | Atomic Energy Control Board |
| TIMS | Technical Information Management System |
| BAT | Biol. Tolerance Value (German Std.) |
| AOVB | Atomic Orbital Valence Bond (molecular Wave Function) |