This is the 11384th most frequent Portuguese word.
nasal
Relating to the nose or produced through the nose.
Here, 'nasal' is used as an adjective describing a type of sound that involves the nose.
O som nasal é característico de muitas línguas.
The nasal sound is characteristic of many languages.
In this sentence, 'nasal' functions as an adjective describing congestion related to the nose.
A congestão nasal dificultava sua respiração.
The nasal congestion made breathing difficult for her.
Here, 'nasal' is an adjective describing a vocal quality associated with sounds produced involving the nasal cavity.