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.
reactor
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noun
an electrical device used to introduce reactance into a circuit
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noun
(= nuclear reactor)
(physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements