Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The ordinal number matching the number quintillion in a series.
  • noun One of a quintillion equal parts.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective The ordinal form of the number one quintillion.
  • noun The person or thing in the quintillionth position.
  • noun One of a quintillion equal parts of a whole

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective the ordinal number of one quintillion in counting order
  • noun one part in a quintillion equal parts

Etymologies

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Examples

  • Well, Horrors of War has one like it…except at about a quintillionth of the budget the beach at Normandy is like…four grains of sand and none of the acting ability

    Horrors of War (2007) 2010

  • Devised independently by Alan Guth of the Massachusetts Institute of Technology and by Russian physicist Andrei Linde, it holds that the universe began in the expanding fireball of the big bang and then inflated madly, doubling in size every tenth of a quadrillionth of a quintillionth (10-to the 34th power) of a second.

    'The Handwriting Of God' 2008

  • These, he calculated, had been created within the first hundred-quintillionth of a second after the big bang.

    A Beautiful Mind, an Ugly Possibility Bachrach, Judy 2004

  • In this way the dilution of the original millionth of a grain of medicine contained in the grain of powder operated on is carried successively to the billionth, trillionth, quadrillionth, quintillionth, and very often much higher fractional divisions.

    Medical Essays, 1842-1882 Oliver Wendell Holmes 1851

  • They are using attosecond -- one quintillionth of a second -- laser pulses to study electron dynamics in atoms and molecules.

    WIBW - HomePage - Headlines 2010

  • Researchers using one of the grants will set up a laser laboratory to study the motion of electrons on the scale of a quintillionth of a second.

    Dallas Business News - Local Dallas News | Dallas Business Journal 2010

  • They are using attosecond -- one quintillionth of a second -- laser pulses to study electron dynamics in atoms and molecules.

    WIBW - HomePage - Headlines 2010

  • Researchers using one of the grants will set up a laser laboratory to study the motion of electrons on the scale of a quintillionth of a second.

    National Business News - Local Business News | bizjournals 2010

  • They are using attosecond -- one quintillionth of a second -- laser pulses to study electron dynamics in atoms and molecules.

    WIBW - HomePage - Headlines 2010

  • Then, with far shorter pulses of extreme ultraviolet light on the 100-attosecond timescale (an attosecond is 10-18 second, a quintillionth of a second), they were able to precisely measure the effects on the valence electron orbitals.

    Latest Articles Berkeley Lab 2010

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