redout

noun

red·​out ˈred-ˌau̇t 

: a condition in which centripetal acceleration (such as that created when an aircraft abruptly enters a dive) drives blood to the head and causes reddening of the visual field and headache

Word History

First Known Use

1942, in the meaning defined above

Medical Definition

redout

1 of 2 noun

red·​out ˈred-ˌau̇t 

: a condition in which centripetal acceleration (as that created when an aircraft abruptly enters a dive) drives blood to the head and causes reddening of the visual field and headache compare blackout, grayout

red out

2 of 2 intransitive verb

: to experience a redout compare black out, gray out