| Acronym | Meaning |
| SRIXE | Synchrotron Radiation-induced X-ray Emission |
| IAGA | International Association Of Geomagnetism And Aeronomy |
| NEKIA | National Education Knowledge Industry Association |
| RNS | Reactive Nitrogen Species |
| CSRS | Cooperative State Research Service (US Dept. Of Agriculture) |
| NEET | Nuclear Excitation In Electronic Transition |
| 2PPE | Two-photon Photoemission |
| EG | Ethylene Glycol |
| FGDIS | Flue Gas Desulfurization Information System |
| CDE | Collective Dose Equivalent |