blackout

1. A temporary loss of consciousness. (countable, uncountable)
2. A temporary loss of memory. (countable, uncountable)
3. A large-scale power failure, and resulting loss of electricity to consumers. (countable, uncountable)
4. An instance of censorship, especially a temporary one. (countable, uncountable) · media blackout
5. An intentional outage of a website or other online service, typically as a form of protest. (countable, uncountable) · the 2012 English Wikipedia blackout
6. The mandatory blocking of all light emanating from buildings, as well as outdoor and street lighting as a measure against aerial bombing or naval attack, as imposed during, e.g., World War II. (countable, uncountable)
7. The blocking out of as much light as possible. (countable, uncountable) · blackout blinds; blackout curtains

Plural blackouts