| Acronym | Meaning |
| VAR | Vacuum Arc Remelting |
| AHAM | American Household Appliance Manufacturers |
| BART | Biological Activity Reaction Test |
| HALT | Hydrate Addition At Low Temperature (for Sulfur Dioxide Removal From Flue Gases) |
| LH | Luteinizing Hormone |
| ASK | Amplitude Shift Keying |
| LQG | Loop Quantum Gravity |
| IGY | International Geophysical Year |
| GEXRF | Grazing-emission X-ray Fluorescence |
| AOT60 | Accumulated Ozone Exposure Above A Threshold Value Of 60 Ppb |