| Acronym | Meaning |
| STAD | Simple Town Air Dispersion Model (of Air Pollution) |
| AO | Atomic Orbital |
| ECNIMS | Electron Capture Negative Ionization Mass Spectrometry |
| IBS | Incomplete Basis Set |
| SHOA | Second-harmonic Optical Activity |
| TFB | Thin Film Balance |
| RACE | Reactive Accelerated Cluster Erosion |
| INMM | Institute Of Nuclear Materials Management |
| LDPO | Linearly Driven Parametric Oscillator (model In Energy Transfer Calcns. In Mol. Collisions) |
| RFLP | Restriction Fragment Length Polymorphism |