obliterate or extinguish;
"Some life-forms were obliterated by the radiation, others survived"
"The dining room blackened out"
suppress by censorship as for political reasons;
"parts of the newspaper article were blacked out"
lose consciousness due to a sudden trauma, for example
- The date on the letter had been blacked out.
- During the war we had to black out all our windows.
- Such a steep descent in an airplane would have blacked out a fledging.
- Dictators usually black out all criticism of the government.
- The plane dived suddenly, causing the pilot to black out.
- black out 用墨等涂掉