Definition of "whiteout" []

• A polar weather condition caused by a heavy cloud cover over the snow, in which the light coming from above is approximately equal to the light reflected from below, and which is characterized by absence of shadow, invisibility of the horizon, and discernibility of only very dark objects. (noun)
• A fluid, usually white, that dries quickly and is applied to printed matter to cover mistakes. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "If you haven't already seen the movie, it will spoil nothing to tell you that the accident, discreetly shown as a "Six Feet Under" - style whiteout, is not fatal."
• "You know, Jacqui, when we hear of cases like this we always hear of that term whiteout conditions."
• "Bowman remembered a description he had once heard of the dreaded Antarctic "whiteout" - "like being inside a ping-pong ball.""