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English definition of “corona”

corona

noun [C usually singular]     /kəˈrəʊ.nə/ US  /-ˈroʊ-/ (plural coronae   /-niː/   US  /-niː/) specialized
a circle of light that can sometimes be seen around the moon at night , or around the sun during an eclipse (= a time when the moon is positioned exactly between the sun and the Earth )Astronomy - general words
(Definition of corona noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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