| Acronym | Meaning |
| TSNIGRI | Research Center Of The Institute For Geol. Exploration Of Base And Precious Metals (Russia) |
| PTAW | Plasma Transfer Arc Weld |
| ADP | Auger Depth Profiling |
| TDO | Truncated Diatomic Orbital (a MO) |
| NIRE | National Institute For Resources And Environment |
| INMS | Institute For National Measurement Standards |
| TBAB | Tetrabutylammonium Bromide |
| LAST | Lowest Anticipated Service Temperature |
| IRIS | Incorporated Research Institutes For Seismology |
| RSMP | Rayleigh-Schroedinger-Moeller-Plesset Perturbation |