extremely low frequency 
Earth Liberation Front 
Executable and Linking Format 
Enclosed Laminar Flames 
electron localization function 
Extremly Low Frequency 
Early Life Failure 
elective low forceps 
Electronic Location Finder 
Electrostatic Levitation Furnace 
Electrostatic Levitator Furnace 
Environmental Law Foundation 
Enzyme-labeled fluorescence 
Equipment List File 
Executable and Linkable Format 
Extra Low Frequency 
extremely low frequencies 
Early Lunar Flare 
electric light fitting 
Electroluminescent Ferroelectricity 
electromagnetic field 
electromagnetic fields 
Electronic Forms 
Electronic Learning Facility 
Electronic Logging Facility 
Elephants Fork Elementary School 
ELF AQUITAINE 
Ellipsometry, Low Field 
Enclosed Laminar Flame 
endogenous leucine flux