| Acronym | Meaning |
| OLO | On-line Optimization |
| MHA | Mott-Hubbard-Anderson (model In Band-structure Calcns.) |
| MOS | Metal Oxide Semiconductor (FET Devices) |
| WSTCM | Watson-sphere Terminated Cluster Model (in Electronic-structure Calcns. On Crystal Defects) |
| TASCC | Chalk River Tandem Accelerator Superconducting Cyclotron Facility |
| HDF | Halogenated Dibenzofuran(s) |
| LCLS | Linac Coherent Light Source |
| IAP | Ion Activity Products |
| ORV | Optical Retardation Velocity |
| OETP | Orbiter Electron Temp. Probe |