nano-
Portuguese, prefix
nano- is a Portuguese prefix meaning “nano-” (English Wiktionary, September 2026). On this page, nano is a different word: “first-person singular present indicative of nanar”. The Portuguese Wiktionary (Wikcionário) defines it as “prefixo do sistema métrico usado para indicar a multiplicação de uma unidade por dez elevado a menos nove…”.
What does nano- mean in English?
prefix
- 1
nano-
verb
- 1
first-person singular present indicative of nanar
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
prefix: 1. prefixo do sistema métrico usado para indicar a multiplicação de uma unidade por dez elevado a menos nove (bilionésima parte)
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.
English words that translate to nano-
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is nano- in Portuguese?
nano- appears 1.8 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).