quin·​de·​cil·​lion ˌkwin-di-ˈsil-yən How to pronounce quindecillion (audio)
often attributive
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, 3 Jan. 2018

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

Word History


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

First Known Use

1848, in the meaning defined above

Time Traveler
The first known use of quindecillion was in 1848

Dictionary Entries Near quindecillion

Cite this Entry

“Quindecillion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quindecillion. Accessed 26 Feb. 2024.

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