whiteout
noun
1 whiteout
An arctic atmospheric condition with clouds over snow produce a uniform whiteness and objects are difficult to see; occurs when the light reflected off the snow equals the light coming through the clouds.
verb
1 whiteout
Cover up with a liquid correction fluid.
synonym: white out.
2 whiteout
Lose daylight visibility in heavy fog, snow, or rain.
synonym: white-out.
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