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undecillion

[ uhn-di-sil-yuhn ]
/ 藢蕦n d瑟藞s瑟l y蓹n /
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noun, plural un路de路cil路lions, (as after a numeral) un路de路cil路lion.
a cardinal number represented in the U.S. by 1 followed by 36 zeros, and in Great Britain by 1 followed by 66 zeros.
adjective
amounting to one undecillion in number.
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鈥淲as鈥 is used for the indicative past tense of 鈥渢o be,鈥 and 鈥渨ere鈥 is only used for the subjunctive past tense.

Origin of undecillion

1930鈥35; <Latin undec(im) eleven (奴n(us) one + -decim, combining form of decemten) + -illion, as in million

OTHER WORDS FROM undecillion

un路de路cil路lionth, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use undecillion in a sentence

  • "An undecillion is ten raised to the 36th power," Freddy sighed, fearing that he wasn't getting through to Willy.

    Master of None|Lloyd Neil Goble
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