[ red-out ]

  1. 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.

Origin of redout

1940–45; red1 + out, on model of blackout

Words Nearby redout Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use redout in a sentence