ELF

ELF is an acronym for Eritrean Liberation Front

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There is also an object code format called ELF, Executable and Linkable Format, used on many new Unix-like operating systems.

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The name ELF also refers to extremely low-frequency electromagnetic radiation, involved in upper atmosphere lightning-related phenomena and in strategic communication with naval submarines. The frequency band in question is 30-300 hertz.

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ELF is also an acronym for the Endangered Language Fund, which serves as a focus group to help document and where possible record and preserve human languages threatened with extinction. Their web site is to be found at: http://sapir.ling.yale.edu/~elf/.

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ELF is an acronym for the direct action terrist group Earth Liberation Front, whose members often refer to themselves as Elves.

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See also:

• For the mythical creatures: Elf;
• For the optical and electromagnetic phenomenon: Elve