Englishfor English speakers
vortex
Noun
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A vortex is a whirlwind, whirlpool, or something else that moves in a spiral or column.
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A vortex is anything with on-going violent or chaotic activity around a center point.
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A vortex is anything which brings nearby things into its current.
arc
Noun
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An arc is part of a circle.
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Electricity jumping from one place to another. This is very bright and looks like lightning.
arc
Verb
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If something arcs, it makes an electrical curve.
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If something arcs, it goes along a curved path.