| Acronym | Meaning |
| NCCLS | National Committee For Clinical Laboratory Standards |
| MBR | Mobil Benzene Reduction [process] |
| RHEED | Reflection High-energy Electron Diffraction |
| STS | Surface Tunnelling Spectroscopy |
| DMR | Discharge Monitoring Report |
| CGCC | Coal Gasification/combined Cycle |
| SOMBT | Spin-orbital Many-body Theory |
| IF DRM | Inversion-free Direct Recursion Method (for Surface Electronic Structure) |
| ETBM | Empirical Tight-binding Method (in Electronic Structure Calcn.) |
| APS | Active Pixel Sensor |