| Acronym | Meaning |
| GPHS | General Purpose Heat Source |
| SVP | Schwinger Variational Principle |
| FSR | Free Spectral Range |
| MSH | Melanocyte-stimulating Hormone |
| MEDLA | Molecular Electron Density Lego Assembler |
| DRP | Dense Random Packing |
| DCFT | Direct Coal-fired Turbine |
| BRITE | Basic Research In Industrial Technologies For Europe |
| GLISP | Great Lakes International Surveillance Plan |
| ENAN | Education Native American Network |