| Acronym | Meaning |
| DDIM | Dry Deposition Inferential Monitoring |
| MGD | Million Gallons Per Day |
| DSGE | Double Sine-gordon Equation (for Describing Excitations Such As Kinks And Solitons) |
| SGO | Spherical Gaussian Orbital |
| TBC | Thermal Barrier Coating |
| MCP | Microchannel Plate |
| FOS | Fiber Optic Sensor |
| ETS | Electron Transmission Spectroscopy |
| GHRS | Goddard High Resolution Spectrograph |
| CVG | Chemical Vapor Generation |