whiteout(redirected from white-out)
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Related to white-out: Wite-Out
An atmospheric optical phenomenon of the polar regions in which the observer appears to be engulfed in a uniformly white glow: shadows, horizon, and clouds are not discernible; sense of depth and orientation are lost; dark objects in the field of view appear to float at an indeterminable distance. Also known as milky weather.
The phenomenon in which a pilot experiences a loss of orientation with respect to the horizon caused by the sun reflecting on snow or a loss of horizonal definition as a result of the snow in the air being the same color as the snow-covered ground.