whiteout Hear it!

whiteout definition

white·out (-o̵ut′)

noun

Meteorol. an optical phenomenon, usually in polar regions, in which the snow-covered ground blends into a uniformly white sky, greatly reducing the visibility of shadows, clouds, the horizon, etc. and one's sense of direction or distance

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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