quintillion

[ kwin-til-yuhn ]

Phonetic (Standard)IPA

noun

, plural quin·til·lions, (as after a numeral) quin·til·lion.

a cardinal number represented in the U.S. by 1 followed by 18 zeros, and in Great Britain by 1 followed by 30 zeros.

adjective

amounting to one quintillion in number.

quintillion

/ kwɪnˈtɪljən /

noun

(in Britain, France, and Germany) the number represented as one followed by 30 zeros (10 ³⁰) US and Canadian wordnonillion
(in the US and Canada) the number represented as one followed by 18 zeros (10 ¹⁸) Former Brit wordtrillion

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Derived Forms

quinˈtillionth, adjective

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Other Words From

quin·tillionth noun adjective

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Word History and Origins

Origin of quintillion¹

1665–75; < Latin quīnt ( us ) fifth + -illion (as in million )

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Word History and Origins

Origin of quintillion¹

C17: from Latin quintus fifth + -illion, as in million

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Example Sentences

Upgrades raised this into the quintillions — a small figure compared to the possible ways to wire the wheels, which came out to a number written as five, followed by 92 zeros.

From Washington Post

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Quintilian quintuple

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