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Definition of: auroral
(ô·rôr′əl, ô·rō′rəl) adjective
1. Pertaining to or like the dawn; dawning; roseate.
2. Of, like, or caused by an aurora: an auroral display. Also au·ro·re·an (ô·rôr′ē·ən, ô·rō′rē-), au·ro′ric.
—au·ro′ral·ly adverb
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