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Definition of Blackout
1. Noun. A suspension of radio or tv broadcasting.
2. Noun. Darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft).
Category relationships: Aircraft
Generic synonyms: Dark, Darkness
Derivative terms: Black Out
3. Noun. The failure of electric power for a general region.
4. Noun. A momentary loss of consciousness.
5. Noun. Partial or total loss of memory. "He has a total blackout for events of the evening"
Generic synonyms: Cognitive State, State Of Mind
Specialized synonyms: Anterograde Amnesia, Posttraumatic Amnesia, Retrograde Amnesia, Forgetfulness, Selective Amnesia, Transient Global Amnesia
Derivative terms: Amnesic, Amnesic, Amnestic
Definition of Blackout
1. Noun. Temporary loss of consciousness or memory. ¹
2. Noun. A large-scale power failure, and resulting loss of electricity to consumers. ¹
3. Noun. The mandatory blocking of all light emanating from buildings as imposed during World War II. ¹
¹ Source: wiktionary.com
Definition of Blackout
1. a power failure [n -S]
Medical Definition of Blackout
1. 1. Temporary loss of consciousness due to decreased blood flow to the brain. 2. Momentary loss of consciousness as an absence. 3. Temporary loss of vision, without alteration of consciousness, due to positive (normal) g (gravity) forces; caused by temporary decreased blood flow in the central retinal artery, and seen mostly in aviators. 4. A transient episode that occurs during a state of intense intoxication (alcoholic blackout) for which the person has no recall, although not unconscious (as observed by others). (05 Mar 2000)
Lexicographical Neighbors of Blackout
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