1(of vision) become impaired by exposure to sudden bright light.
- ‘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.
- ‘I bolted for the door and whited out as I hit the street.’
We take a look at several popular, though confusing, punctuation marks.