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English definition of “glacial”

glacial

adjective (ICE/COLD)    /ˈɡleɪ.ʃəl/
made or left by a glacier: glacial depositsSnow and iceCold extremely cold: glacial temperatures a glacial periodColdSnow and ice
(Definition of glacial adjective (ICE/COLD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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