From Longman Dictionary of Contemporary Englishwhiteoutwhite‧out /ˈwaɪtaʊt/ noun [countable] HEMweather conditions in which there is so much cloud or snow that you cannot see anything
Examples from the Corpus
whiteout• We see to be caught in a whiteout.• Hence a reasonable lower bound is the maximum gradient of the radius vector in the interval blackout point, whiteout point.• An adventurer scaling Mount Hood in Oregon was caught in a sudden whiteout and phoned for help instead of waiting it out.• The upper critical exposure is very roughly the whiteout point.• We shall call this the whiteout point.• Currently an adhoc value one third of the distance from the blackout point to the whiteout point is used.• Denial does have its limits, though, whiteout being one of them. 