| Acronym | Meaning |
| MCY | Matsuoka-Clementi-Yoshimine (potential Function) |
| ELI | Extra Low Interstitial |
| HLBR | Required Hydrophilic-lipophilic Balance (of Surfactants In Emulsifiers) |
| CATSI | Compact Atmospheric Sounding Interferometer |
| PDS | Piecewise Direct Standardization |
| COIL | Chem. Oxygen-iodine Laser |
| GPIB | General Purpose Interface Bus |
| RPV | Reactor Pressure Vessel |
| AEP | Auditory Evoked Potential |
| CSTIM | Channeling Scanning Transmission Ion Microscopy |