non-defining

US /ˌnɑːn dɪˈfaɪnɪŋ/
UK /ˌnɑːn dɪˈfaɪnɪŋ/
"non-defining" picture
1.

não-restritivo

a non-defining relative clause gives extra information about the noun or pronoun it refers to, but is not essential to the meaning of the sentence. It is usually separated by commas.

:
My brother, who lives in London, is a doctor.
Meu irmão, que mora em Londres, é médico.
The book, which was published last year, became a bestseller.
O livro, que foi publicado no ano passado, tornou-se um best-seller.