| Acronym | Meaning |
| MLE | Molecular Layer Epitaxy |
| ACR | Absolute Cryogenic Radiometer |
| FWM | Four-wave Mixing |
| OTS | Office Of Toxic Substances (USEPA) |
| RIGS | Radioimmunoguided Surgery |
| OEP | Optimized Effective-potential (quantum Method) |
| MOCD | Molecular Orbital Correlation Diagram |
| SABS | South African Bureau Of Standards |
| CSOM | Confocal Scanning Optical Microscopy |
| NCAC | Nitrogen-containing Aromatic Compound |