Amazonian epoch

proper noun

The most recent of the Martian geologic epochs, from approximately 1.8 billion (1800 million) years ago (the end of the Hesperian epoch) to the present.

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Meanings

proper nounthe Amazonian epoch
  1. The most recent of the Martian geologic epochs, from approximately 1.8 billion (1800 million) years ago (the end of the Hesperian epoch) to the present.

Origin

Named for Amazonis Planitia.

Full word history & related roots →
Cite this entry
APA

Amazonian epoch. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Amazonian%20epoch

MLA

“Amazonian epoch.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Amazonian%20epoch. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Amazonian epoch,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Amazonian%20epoch.

Source: Amazonian epoch on Wiktionary, CC BY-SA 4.0.