quat·​tu·​or·​de·​cil·​lion ˌkwä-tə-ˌwȯr-di-ˈsil-yən How to pronounce quattuordecillion (audio)
often attributive
US : a number equal to 1 followed by 45 zeros see Table of Numbers
also, British : a number equal to 1 followed by 84 zeros see Table of Numbers

Word History


Latin quattuordecim fourteen (from quattuor four + 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 quattuordecillion was in 1848

Dictionary Entries Near quattuordecillion

Cite this Entry

“Quattuordecillion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quattuordecillion. Accessed 4 Feb. 2023.

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