whiteout

[ hwahyt-out, wahyt- ]
/ ˈʰwaɪtˌaʊt, ˈwaɪt- /

noun

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.
an act or instance of whiting out with a correction fluid.
a white correction fluid used for this: a bottle of whiteout.
a mistake, as in typing, that has been whited out with a correction fluid.

Origin of whiteout

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 Unabridged Dictionary, © Random House, Inc. 2019

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