| Acronym | Meaning |
| CGR | Crop Growth Rate |
| MRCI | Multireference Configuration Interaction |
| FRAM | Ferroelectric Random Access Memory |
| AAPG | American Association Of Petroleum Geologists |
| XMPA | X-ray Electron Microprobe Analysis |
| BGE | Background Electrolyte |
| EBIR | Energy Based Integral Retention (in Electronic-structure Calcns.) |
| APO | Aq.-phase Oxidn. |
| LPWN | Low Power Wireless Network |
| PEFC | Polymer Electrolyte Fuel Cell |