Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The cardinal number equal to 1018.
- noun Chiefly British The cardinal number equal to 1030.
from The Century Dictionary.
- Noting a quintillion; the cardinal numeral corresponding to a quintillion: strictly a collective noun. See
hundred , a. - noun In the English notation, the fifth power of a million, a unit followed by thirty ciphers; in the French notation, used generally in the United States, the sixth power of one thousand, a unit followed by eighteen ciphers.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun US A
billion billion : 1 followed by eighteen zeros, 1018. - noun dated A
million quadrillion : 1 followed by 30 zeros, 1030. - noun figuratively, slang Any very large number, exceeding normal description.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the number that is represented as a one followed by 18 zeros
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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One quintillion is equal to one billion billion, written as a one followed by 18 zeroes.
MySpace Distributes More Videos than YouTube | Impact Lab 2006
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(An exabyte is 1 quintillion bytes; a quintillion is the number 1 followed by 18 zeroes.)
Energy News - Energy Technology - Energy Business - Energy and the Environment 2008
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Professor MORLEY DAVIDSON (Department of Mathematical Sciences, Kent State University): A quintillion is a billion, billion.
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And yes, "quintillion" is a number so large, it almost seems made-up.
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By 2018, Japan, the U.S. and China are targeting the development of supercomputer capable of doing 1 quintillion 1 million trillion calculations per second.
Japanese Supercomputer Claims World's Top Spot Daisuke Wakabayashi 2011
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By 2018, Japan, the U.S. and China are targeting the development of supercomputer capable of doing 1 quintillion 1 million trillion calculations per second.
Japanese Supercomputer Claims World's Top Spot Daisuke Wakabayashi 2011
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Then, the super prominence snapped, releasing a quintillion tons of plasma in a conical plum headed toward the Arcturian homeworld at nearly the speed of light.
365 tomorrows » Patricia Stewart : A New Free Flash Fiction SciFi Story Every Day 2010
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"The odds of it happening are almost infinitesimally small, or precisely 1 in 2,432,902,008,176,640,000 roughly two and a half quintillion to one," begins Guy Griffiths in an email that we wished had arrived in the Knowledge inbox before we went through the past 120 years of English football tables.
Has a league ever finished in alphabetical order? | The Knowledge 2011
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Then, the super prominence snapped, releasing a quintillion tons of plasma in a conical plum headed toward the Arcturian homeworld at nearly the speed of light.
365 tomorrows » 2010 » June : A New Free Flash Fiction SciFi Story Every Day 2010
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Mr. Skaugen noted that the acquisition will help Intel achieve "exascale" computing performance by 2018, or a quintillion operations per second.
Intel to Buy Some QLogic Networking Assets Shara Tibken 2012
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