olemus
teabe avaldamise tõkestamine, näiteks tsensuuri kontekstis
Wiktionary:
3. an instance of censorship, especially a temporary one
media blackout
the 2012 English Wikipedia blackout

ülevaateid
https://en.wikipedia.org/wiki/Blackout_(broadcasting)
https://en.wikipedia.org/wiki/Media_blackout

vt ka
- pimendamine (1)
- pimendamine (2)