名詞 white out:

1. an arctic atmospheric condition with clouds over snow produce a uniform whiteness and objects are difficult to see; occurs when the light reflected off the snow equals the light coming through the clouds
   同義詞：whiteout

動詞 white out:

1. cover up with a liquid correction fluid
   同義詞：whiteout
2. widen the interlinear spacing by inserting leads
3. lose daylight visibility in heavy fog, snow, or rain
   同義詞：white-out, whiteout