| Acronym | Meaning |
| NPSSMO | Nonpaired Spin Spatial Molecular Orbital |
| FNAA | Fast Neutron Activation Analysis |
| ABCM | Assembly (of) Boundary-controlled Monolayers (method For Electronic-structure Calcns.) |
| TDC | Time-to-Digital Converter |
| WAMMAS | Waste Minimization Management Advisory System |
| WANG | West Australian Natural Gas |
| GEM | Gene Expression Microarray |
| FEMO | Free-electron Molecular Orbital |
| ISHOW | Information System For Hazardous Organics In Water |
| CTA | Classical Trajectory Approximation (in Mol.-collision Calcns.) |