| Acronym | Meaning |
![](file.png) | EFI | Enrico Fermi Institute |
![](file.png) | EFNS | Educational Foundation For Nuclear Science |
![](file.png) | EFT | Enhanced Forecaster Tools |
![](file.png) | EFTA | European Free Trade Association |
![](file.png) | EFTC | European Fluorocarbon Technical Committee |
![](file.png) | EG&G | Inc. |
![](file.png) | EGA | Enhanced Graphics Adapter |
![](file.png) | EGD | Effluent Guidelines Division |
![](file.png) | EGP | Exterior Gateway Protocol |
![](file.png) | EGS | European Geophysical Society |
![](file.png) | EGSE | Electronic Ground Support Equipment |
![](file.png) | EGTF | Electron Gun Test Facility |
![](file.png) | EH | Oxidation Potential |
![](file.png) | EH | Assistant Secretary For Environment |
![](file.png) | EHF | Extremely High Frequency |
![](file.png) | EHF | Extremely High Frequency |
![](file.png) | EI | Electron Ionization |
![](file.png) | EIA | Energy Information Administration |
![](file.png) | EIA | Electronic Industries Association |
![](file.png) | EIB | Environmental Improvement Board |
![](file.png) | EIC | Earth Information System |
![](file.png) | EICC | Emergency Information Control Center |
![](file.png) | EINET | Enterprise Integration Network |
![](file.png) | EIR | Eidgenossisches Institut Fur Reaktorforschung |
![](file.png) | EIS | Environmental Impact Statement |
![](file.png) | EISA | Extended Industry Standard Architecture |
![](file.png) | EISCAT | European Incoherent Scatter Radar System |
![](file.png) | EISPACK | Eigensystem Package Subroutine Computing Facility |
![](file.png) | EL NI-O | The Little Boy |
![](file.png) | ELCHEM | Electrified Clouds As Sources Of NOx |
![](file.png) | ELDO | European Launcher Development Organization |
![](file.png) | ELDOME | Electra Radome |
![](file.png) | ELDORA | Electra Doppler Radar |
![](file.png) | ELDORA/ASTERIX | France-United States Collaborative Development Of The ELDORA |
![](file.png) | ELF | Extremely Low Frequency |
![](file.png) | ELF | Extremely Low Frequency |
![](file.png) | ELGA | (French) Study Of African Squall Lines |
![](file.png) | ELI | Environmental Law Institute |
![](file.png) | ELINT | Electronic Intelligence |
![](file.png) | ELLWAS | Enhanced Low-Level Windshear Alert System |
![](file.png) | ELP | Emission Line Polarimeter |
![](file.png) | ELP | Equipment Loan Program |
![](file.png) | ELSCAM | Electra Scalar Measurements |
![](file.png) | ELVD | Every Launch Vehicle Directorate |
![](file.png) | ELVIS | ELectromagnetic Very Weak Instabilities Saturated |
![](file.png) | ELVIS | Export Licensing Voice Information System |
![](file.png) | EM | Engineering Model |
![](file.png) | EM | Electromagnetic |
![](file.png) | EM | Electromagnetic Conductivity |
![](file.png) | EM | Electronic Mail |