| Acronym | Meaning |
| EGCR | Experimental Gas-cooled Reactor |
| ORV | Optical Retardation Velocity |
| GOMR | Global Ozone Monitoring Radiometer |
| GCLDA | Gradient-corrected Local Density Approximation |
| TBM | Tight Binding Model |
| CEDAR | Coupling, Energetics, And Dynamics Of Atm. Regions [project] |
| DVD | Digital Video Disk |
| CPBA | Coulomb-projected Born Approximation |
| CDA | Charge Density Analysis |
| SARA | Saturates |