megamillennium

M3E1G2A1M3I1L1L1E1N1N1I1U1M3

noun

A period of time consisting of a million years.

Scrabble 21
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Meanings

nounmegamillennium (plural megamillennia or megamillenniums)

plural megamillennia · plural megamillenniums

  1. A period of time consisting of a million years.

Origin

From mega- + millennium.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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