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black out

2 ENTRIES FOUND:
  1. black out (intransitive verb)
  2. blackout (noun)

black out

vi \(ˈ)blak-ˈau̇t\

Definition of BLACK OUT

: to undergo a temporary loss of vision, consciousness, or memory (as from temporary impairment of cerebral circulation, retinal anoxia, a traumatic emotional blow, or an alcoholic binge)—compare gray out, red out
transitive verb
: to cause to black out

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