octillion

noun

oc·​til·​lion äk-ˈtil-yən How to pronounce octillion (audio)
US : a number equal to 1 followed by 27 zeros see Table of Numbers
also, British : a number equal to 1 followed by 48 zeros see Table of Numbers

Examples of octillion in a Sentence

Recent Examples on the Web The investigation found that the DNA was at least 5.37 octillion times more likely to be Kohberger's than an unrelated member of the public, the document states. Julianne McShane, NBC News, 21 June 2023 An octillion is a number equal to a 1 followed by 27 zeros. Tina Burnside, CNN, 21 June 2023 Humans are composed of about seven octillion atoms, and all those atoms would have to cram into a space the size of one atom. Peter Jakubowicz, Discover Magazine, 21 Oct. 2022 Mind you, this star probably has about the mass of the Sun: over an octillion tons! Phil Plait, Discover Magazine, 29 June 2012 The average human adult is comprised of approximately 7,000,000,000,000,000,000,000,000,000 (7 octillion) atoms. Scott Lafee, San Diego Union-Tribune, 5 Apr. 2022 The odds of the suspect not being Blankenship, according to this match, is 1 in 3 octillion. Kevin Grasha, Cincinnati.com, 11 Feb. 2020 To put that in perspective, an octillion is a one with 27 zeros after it. Jared Gilmour, miamiherald, 27 June 2018 The researchers used this tiny deflection to calculate that the mass of Stein 2051B is about 68 percent the mass of our sun — or 1.4 octillion tons (that's 14 followed by 26 zeros). Sarah Kaplan, Washington Post, 13 June 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'octillion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

French, from Middle French, from oct- octa- + -illion (as in million)

First Known Use

1690, in the meaning defined above

Time Traveler
The first known use of octillion was in 1690

Dictionary Entries Near octillion

Cite this Entry

“Octillion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/octillion. Accessed 19 Apr. 2024.

Kids Definition

octillion

noun
oc·​til·​lion äk-ˈtil-yən How to pronounce octillion (audio)
US : a number equal to 1 followed by 27 zeros see number
also, British : a number equal to 1 followed by 48 zeros see number
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