follow Dictionary.com

Get the details behind our redesign

redout

[red-out] /ˈrɛdˌaʊt/
noun
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
1940-1945
1940-45; red1 + out, on model of blackout
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source

Word of The Day

Difficulty index for redout

Few English speakers likely know this word

Word Value for redout

7
8
Scrabble Words With Friends