1. The act of destroying, erasing, or wiping out completely; total destruction or removal
The obliteration of the ancient city left no trace of its former existence.
A obliteração da cidade antiga não deixou nenhum rastro de sua existência anterior.
2. In medicine, the blocking or closure of a blood vessel or body cavity
Obliteration of the artery was necessary to stop the bleeding.
A obliteração da artéria foi necessária para parar a hemorragia.
3. The state of being completely forgotten or obscured from memory
The obliteration of historical records made research difficult.
A obliteração dos registros históricos dificultou a pesquisa.