[ red-out ]
/ ˈrɛdˌaʊt /


a condition experienced by pilots and astronauts in which blood is forced to the head and results in a reddening of the field of vision during rapid deceleration or in maneuvers that produce a negative gravity force.

Nearby words

  1. redouble,
  2. redoubt,
  3. redoubtable,
  4. redoubted,
  5. redound,
  6. redowa,
  7. redox,
  8. redpoll,
  9. redraft,
  10. redraw

Origin of redout

1940–45; red1 + out, on model of blackout Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for redout