to lose or lack daylight visibility owing to snow or fog
2. (transitive)
to create or leave white spaces in (printed or other matter)
3. (transitive)
to delete (typewritten words or characters) with a white correcting fluid
nounwhiteout
4.
an atmospheric condition consisting of loss of visibility and sense of distance and direction due to a uniform whiteness of a heavy cloud cover and snow-covered ground, which reflects almost all the light it receives
White-Out in British English
(ˈwaɪtˌaʊt)
noun
trademark US
a proprietary brand of white correcting fluid
white-out in American English
(ˈhwɪtˌaʊt)
US
noun
1.
a quick-drying fluid, typically white, applied with a small brush to a piece of paper so as to cover typed or written errors and make a blank surface for corrections
verb transitive
2.
to cover with this fluid
Also white out
Word origin
< Wite-Out, a trademark for such fluid, prob. infl. by whiteout