gigayears

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A form of gigayear — A billion years: a thousand million years, that is, a thousand thousand thousand years.

Scrabble 14
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Meanings

noun
  1. pluralplural of gigayear
Cite this entry
APA

gigayears. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/gigayears

MLA

“gigayears.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gigayears. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “gigayears,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/gigayears.

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