Definition of white out in English:

white out

1(Of vision) become impaired by exposure to sudden bright light.
More example sentences
  • My head had started to spin again, and my vision almost whited out.
  • He tried to raise his head, and his sight whited out entirely.
1.1(Of a person) lose colour vision as a prelude to losing consciousness.
More example sentences
  • I bolted for the door and whited out as I hit the street.
See parent entry: white

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Pronunciation: ɪnˈvɛnəm
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put poison on or into; make poisonous