Definition of whiteout
: a surface weather condition in a snow-covered area (such as a polar region) in which no object casts a shadow, the horizon cannot be seen, and only dark objects are discernible; also : a blizzard that severely reduces visibility
Examples of whiteout in a sentence
We got caught in a whiteout.
Origin and Etymology of whiteout
white + blackout
First Known Use: 1946
WHITEOUT Defined for English Language Learners
Definition of whiteout for English Language Learners
: a type of snowstorm in which blowing or falling snow and clouds make it very difficult to see
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