Definition of “whiteout” - English Dictionary

british dictionary

“whiteout” in British English

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whiteoutnoun [ C ]

uk /ˈwaɪ.taʊt/ us /ˈwaɪ.aʊt/

a weather condition in which snow and clouds change the way light is reflected so that only very dark objects can be seen

(Definition of “whiteout” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)