Word.ws English Dictionary

octodecillion

/ˌɒktoʊdəˈsɪl.i.ən/

octodecillion numeral: 10⁵⁷.

Numeral

octodecillion (plural octodecillions)

  1. (Australian, British, US, modern, rare, short scale) 10⁵⁷.
    • The reason is that the rays created in the core are softened on their outward journey by being handled by the octodecillion-odd atoms of gas outside the core that are part of the sun but play no part in the central fusions.1962, David Bergamini, The Universe, Time-Life Books, Google Books considers page number to be top-secret
    • How many Stars Shine on Tiny Jennifer’s Hair? ... Two million, three hundred and forty nine thousand, eight hundred seventy five vigintillion, seven hundred fifty four novemdecillion, five hundred forty three octodecillion, four hundred fifty seven septendecillion...2004, Alan Sondheim, The Wayward, →ISBN, page 138
  2. (Australian, British, dated, rare, long scale) 10¹⁰⁸.

octodecillion meaning in Malay

octodecillion in Malay

1057
oktodesilion

Forms of octodecillion

pluraloctodecillions

Origin of octodecillion

From Latin octodec(im) (“eighteen”) + -illion; compare tredecillion, quattuordecillion, etc. By surface analysis, octo- + decillion.

Words that rhyme with octodecillion

48 more rhymesFewer rhymes

Questions about octodecillion

What does octodecillion mean?
Octodecillion means 10⁵⁷.
What is octodecillion in Malay?
Octodecillion in Malay is oktodesilion. See Octodecillion meaning in Malay.
What part of speech is octodecillion?
Octodecillion is a numeral.
How do you pronounce octodecillion?
Octodecillion is pronounced /ˌɒktoʊdəˈsɪl.i.ən/.

Words near octodecillion in the dictionary

  1. octocore
  2. octocrylene
  3. octodactylous
  4. octode
  5. octodecanoid
  6. octodecillion
  7. octodecillions
  8. octodecimal
  9. octodecimo
  10. octodecimos
  11. octodentate

Source and license

Adapted from Wiktionary: octodecillion (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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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-octodecillion.wav.

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