n. a complete loss of consciousness which may be accompanied by a memory lapse and loss of cognition upon revival. It may be caused by a sudden drop in oxygen and blood supply to the brain. It can also be due to severe intoxication with drugs or alcohol. See alcoholic blackout.

BLACKOUT: "A blackout can be caused by diminished circulation of blood and oxygen to the brain and other vital organs."
Cite this page: N., Pam M.S., "BLACKOUT," in, April 7, 2013, (accessed September 25, 2020).