quintillion

[ kwin-til-yuhn ]

noun

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

1. 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

1. amounting to one quintillion in number.

quintillion

/ kwɪnˈtɪljən /

noun

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

Derived Forms

• quinˈtillionth, adjective

Other Words From

• quin·tillionth noun adjective

Word History and Origins

Origin of quintillion¹

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

Word History and Origins

Origin of quintillion¹

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

Example Sentences

They expect future calculations to be performed on ORNL's Frontier, the world's most powerful supercomputer and the first exascale system, which is able to perform more than a quintillion calculations each second.

From Science Daily

There are more than 10 quintillion insects on Earth, 200 million for every human.

From Science Magazine

"The right answer emerges every 10 minutes, and the rest of the data, quintillions of them, are computations that serve no further purpose and are therefore immediately discarded," de Vries says.

From Science Daily

"All of these machines combined are generating 500 quintillion guesses every second of the day, non stop - that is 500 with 18 zeros behind it."

From BBC

An analysis from Forbes speculated that the hunk of space metal, which is about 140 miles in diameter, is worth roughly $10 quintillion.

From Washington Times