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whiteout

[hwahyt-out, wahyt-] /ˈʰwaɪtˌaʊt, ˈwaɪt-/
noun
1.
Meteorology.
  1. a condition, found in polar regions, in which uniform illumination from snow on the ground and from a low cloud layer makes features of the landscape indistinguishable.
  2. a condition of heavily falling or blowing snow in which visibility is very poor.
2.
an act or instance of whiting out with a correction fluid.
3.
a white correction fluid used for this:
a bottle of whiteout.
4.
a mistake, as in typing, that has been whited out with a correction fluid.
Origin of whiteout
1940-1945
1940-45; (defs 2-4) noun use of verb phrase white out; (def 1) white + (black)out
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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