| NOUN | phenomenon | elves | an acronym for emissions of light and very low frequency perturbations due to electromagnetic pulse sources |
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| Sounds | eh'lvz | |
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| Meaning | 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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| Broader | atmospheric electricity | electrical discharges in the atmosphere |
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