| CPE | Constant phase element |
| COMPRES | Consortium for Material Properties Research in Earth Sciences |
| EIS | Electrical impedance spectroscopy |
| EC | Electrical conductivity |
| FTIR | Fast Fourier infra-red |
| HP | High pressure |
| HT | High temperature |
| HTHPSEI | High-temperature and High-pressure Study of the Earth’s Interior |
| NAM | Nominally anhydrous mineral |
| WC | Tungsten carbide |