Word.ws English Dictionary

centimillennium

centimillennium noun: a period of time consisting of one hundred thousand years.

Noun

centimillennium (plural centimillennia)

  1. (rare) A period of time consisting of one hundred 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, “Description of the Historical Slate”, in Loverin’s Chart of Time, Centograph and Slate, New York, “Definitions Worthy of Special Attention”, page 37
    • After that the land was quiet for a long time, and the decimillennia passed and ran on into centimillennia, and the centimillennia piled up into millionennia.[…]And, as the centimillennia passed, the hills grew lower still and the valleys broader, so that the whole land was only of a rolling...1951, George R. Stewart, “The Mountains and the Sky”, in Sheep Rock, Ballantine Books, published 1971, “The Mountains”, pages 174, 175

Examples of centimillennium in a sentence

  • So I coined "decimillennium" and "centimillennium," and I used "millennium" for a million years.[1972, George R. Stewart, “INTERVIEW VI, […]”, in A Little of Myself, The Regents of the University of California, page 155:
  • I see no reason not to consider Jackson the text of choice for the next millennium, or at least the next centimillennium.1999, American Journal of Physics, volume 67, page 842, column 2:

Forms of centimillennium

pluralcentimillennia

Origin of centimillennium

From centi- + millennium.

Questions about centimillennium

What does centimillennium mean?
Centimillennium means a period of time consisting of one hundred thousand years.
How do you use centimillennium in a sentence?
So I coined "decimillennium" and "centimillennium," and I used "millennium" for a million years.
What part of speech is centimillennium?
Centimillennium is a noun.
What is the plural of centimillennium?
The plural of centimillennium is centimillennia.

Words near centimillennium in the dictionary

  1. centimetres
  2. centimetric
  3. centimicron
  4. centimicrons
  5. centimillennia
  6. centimillennium
  7. centimillion
  8. centimillionaire
  9. centimillionaires
  10. centimillions
  11. centimo

Source and license

Adapted from Wiktionary: centimillennium (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.

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