| Acronym | Meaning |
| SMAW | Shielded Metal Arc Welding |
| ICNIRS | International Council For Near Infrared Spectroscopy |
| KCS | K-matrix Centrifugal Sudden (in Mol.-scattering Theory) |
| WCBP | Well Characterized Biotechnology Pharmaceuticals |
| PPLV | Preliminary Pollutant Limit Value |
| CCS | Corrected Coupled-states (method For Mol.-scattering Calcns.) |
| NLXC | Nonlocal Exchange Correlation (potential) |
| TEAM | Testing Electromagnetic Analysis Methods |
| TOM | Transition Operator Method |
| ESW | Equivalent Slab Waveguide |