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English definition of “windchill”


noun [U]     /ˈwɪnd.tʃɪl/
the effect that wind has on how cold the air feels: It's two degrees outside, but with the windchill factor, it feels like minus five.ColdSnow and ice
(Definition of windchill noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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