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antimeridiano

Portuguese, noun/ˌɐ̃.t͡ʃi.me.ɾi.d͡ʒiˈɐ̃.nu/

antimeridiano is a Portuguese masculine noun meaning “antimeridian (the reference line at 180° longitude, on the opposite side of earth to the prime meridian)” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “meridiano de longitude oposto a qualquer meridiano dado, usado como ponto de referência”.

What does antimeridiano mean in English?

noun

  1. 1

    masculineantimeridian (the reference line at 180° longitude, on the opposite side of earth to the prime meridian)

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

How Portuguese dictionaries define it

noun: 1. meridiano de longitude oposto a qualquer meridiano dado, usado como ponto de referência

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 antimeridiano

  • antimeridianos plural

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

How do you pronounce antimeridiano?

  • Brazil /ˌɐ̃.t͡ʃi.me.ɾi.d͡ʒiˈɐ̃.nu/
  • Brazil /ˌɐ̃.t͡ʃi.me.ɾiˈd͡ʒjɐ̃.nu/
  • Portugal /ˌɐ̃.ti.mɨ.ɾiˈdjɐ.nu/

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