| Acronym | Meaning |
| TSCA | Toxic Substances Control Act |
| TNBS | Trinitrobenzene Sulfonic Acid |
| AHW | Atomic Hydrogen Welding |
| ESW | Electroslag Welding |
| SILC | Stress-induced Leakage Current |
| CHELEQ | Charge Electronegativity Equalization |
| CLP | Contract Laboratory Program |
| OHCE | One-and-a-half-centered Expansion (method For Calcns. On Charge Transfer In Ion-atom Scattering) |
| STA | Single-transition Approximation |
| DH | Dortmund-Hoerder (German Vacuum Steel Refining) |