obliteration

US /əˌblɪt̬.əˈreɪ.ʃən/
UK /əˌblɪt̬.əˈreɪ.ʃən/
1.

sự xóa bỏ

the action of removing all signs of something, either by destroying it or by covering it so that it cannot be seen:

:
The war resulted in the obliteration of hundreds of towns.