NB
Portuguese, adjective
NB is spelled N-B (2 letters) and appears 1.1 times per million words in written Portuguese, the 31,281st most frequent Portuguese word form (wordfreq, 2021 data). NB is a Portuguese adjective meaning “initialism of não-binárie” (English Wiktionary, September 2026).
What does NB mean in English?
adjective
- 1
initialism of não-binárie
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
abbreviation: 1. abreviatura de nanobarn
The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.
Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
How common is NB in Portuguese?
NB appears 1.1 times per million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).