gigayear

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gigayear

noun gigayears

A billion years: a thousand million years, that is, a thousand thousand thousand years. Holonyms: exasecond < zettasecond < yottasecond < ronnasecond < quettasecond
Similar: giga-annum, gigaannum, Ga

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noun 109 years

Français	giga-année

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MLA

"gigayear." Wiktionary, via Micwyn, micwyn.com/word/gigayear. Accessed 6 Nov. 2026.

APA

gigayear. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/gigayear

Chicago

"gigayear." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/gigayear.

BibTeX

@misc{gigayear_2026,
  title = {gigayear},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/gigayear},
  urldate = {2026-11-06}
}