Word.ws English Dictionary

decamillennia

decamillennia is the plural of decamillennium.

Meaning of decamillennium

Noun

decamillennium (plural decamillennia or decamillenniums)

  1. (rare) A period of time consisting of ten thousand years.
    • A Millennium consists of one thousand years. / A Decamillennium is ten thousand years. / […] / A Centimillennium embraces a period of one hundred thousand years.1882, Nelson Loverin, Loverin’s Chart of Time, Centograph and Slate, page 37

Questions about decamillennia

What is decamillennia the plural of?
Decamillennia is the plural of decamillennium.

Words near decamillennia in the dictionary

  1. decamethylcyclopentasiloxane
  2. decamethyltetrasiloxane
  3. decametre
  4. decametres
  5. decametric
  6. decamillennia
  7. decamillennial
  8. decamillennium
  9. decamillenniums
  10. decamillion
  11. decamillionaire

Source and license

Adapted from Wiktionary: decamillennia (page history and authors); decamillennium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “decamillennia.” Word.ws, https://word.ws/decamillennia. Based on Wiktionary, CC BY-SA 4.0.