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circadiano

Portuguese, adjective/siʁ.ka.d͡ʒiˈɐ̃.nu/

circadiano is spelled C-I-R-C-A-D-I-A-N-O (10 letters) and appears about once in every 6 million words in written Portuguese, the 77,804th most frequent Portuguese word form (wordfreq, 2021 data). Circadiano is a Portuguese adjective meaning “circadian” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “relativo ao ciclo de um dia ou de aproximadamente 24 horas”.

What does circadiano mean in English?

adjective

  1. 1

    circadian

Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).

How Portuguese dictionaries define it

adjective: 1. relativo ao ciclo de um dia ou de aproximadamente 24 horas 2. da regularidade rítmica no funcionamento diário do organismo

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.

Forms of circadiano

  • circadiana feminine
  • circadianos masculine plural
  • circadianas feminine plural

Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce circadiano?

  • Brazil /siʁ.ka.d͡ʒiˈɐ̃.nu/
  • Brazil [sih.ka.d͡ʒiˈɐ̃.nu]
  • Brazil /siʁ.kaˈd͡ʒjɐ̃.nu/

Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.

How common is circadiano in Portuguese?

circadiano appears about once in every 6 million words in written Portuguese.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

What to look up after circadiano