This is the 2511th most frequent Portuguese word.
desaparecimento
Disappearance.
In this sentence, 'desaparecimento' is used to describe the event of the sun setting as a natural phenomenon.
O desaparecimento do sol no horizonte anuncia a chegada da noite.
The disappearance of the sun on the horizon announces the arrival of night.
Here, the word 'desaparecimento' refers to the unexplained absence of a person, indicating an event that requires investigation.
A polícia investiga o desaparecimento de um cidadão da cidade.
The police are investigating the disappearance of a citizen from the city.
In this example, 'desaparecimento' represents the gradual loss or extinction of species due to external factors.