Atlantica

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proper noun

An ancient continent that formed during the Proterozoic about 2,000 million years ago from various 2 Ga cratons located in what are now West Africa and eastern South America.

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Meanings

proper noun
  1. An ancient continent that formed during the Proterozoic about 2,000 million years ago from various 2 Ga cratons located in what are now West Africa and eastern South America.

Origin

The name was introduced by John J. W. Rogers in 1996, because the parts of the ancient continent are now located on opposite sides of the South Atlantic Ocean.

Full word history & related roots →

Rhymes & wordplay

Anagrams

actantial
Cite this entry
APA

Atlantica. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Atlantica

MLA

“Atlantica.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Atlantica. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Atlantica,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Atlantica.

Source: Atlantica on Wiktionary, CC BY-SA 4.0.