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ano sideral

Portuguese, noun/ˈɐ̃.nu si.deˈɾaw/

ano sideral is a Portuguese masculine noun meaning “sidereal year” (English Wiktionary, September 2026).

What does ano sideral mean in English?

noun

  1. 1

    masculinesidereal year

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

How Portuguese dictionaries define it

phrase: 1. tempo gasto pelo Sol entre duas passagens consecutivas pelo ponto vernal

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 ano sideral

  • anos siderais plural

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

How do you pronounce ano sideral?

  • Brazil /ˈɐ̃.nu si.deˈɾaw/
  • Brazil [ˈɐ̃.nu si.deˈɾaʊ̯]
  • Portugal /ˈɐ.nu si.dɨˈɾal/

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