elves Meaning, Definition & Usage
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noun an acronym for emissions of light and very low frequency perturbations due to electromagnetic pulse sources; extremely bright extremely short (less than a msec) electrical flashes forming a huge ring (up to 400 km diameter) in the ionosphere
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noun (folklore) fairies that are somewhat mischievous
gremlin; hob; elf; brownie; pixie; imp; pixy.
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noun below 3 kilohertz
extremely low frequency; ELF.