noun, often attributive
quin·​de·​cil·​lion | \ ˌkwin-di-ˈsil-yən How to pronounce quindecillion (audio) \

Definition of quindecillion

US : a number equal to 1 followed by 48 zeros — see Table of Numbers also, British : a number equal to 1 followed by 90 zeros — see Table of Numbers

Examples of quindecillion in a Sentence

Recent Examples on the Web Or even worse, part of a plot to make $5 quindecillion. Peter Dunn, Indianapolis Star, "Pete the Planner: You saved for a big expense. Don't let greed or overthinking derail you.," 3 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quindecillion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of quindecillion

1848, in the meaning defined above

History and Etymology for quindecillion

Latin quindecim fifteen (from quinque five + decem ten) + English -illion (as in million) — more at ten

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Time Traveler for quindecillion

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The first known use of quindecillion was in 1848

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Cite this Entry

“Quindecillion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quindecillion. Accessed 23 Feb. 2020.

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