Meaning of quintillion in English:


Pronunciation /kwɪnˈtɪljən/

Translate quintillion into Spanish

cardinal numberquintillions, quintillion with numeral

  • 1A thousand raised to the power of six (10¹⁸).

    ‘A pair of flies beginning operation in April, if all were to live, would result in 191,010,000,000,000,000,000 (191 quintillion, 10 quadrillion) flies by August.’
    • ‘The mass of the earth has been estimated to be 6 sextillion, 588 quintillion tons.’
    • ‘At present, the planet holds more than a quintillion tons of the world's most essential resource, which can be found everywhere from the pulpy interior of desert cacti to tropical cloud canopies.’
    • ‘The human brain is made up of approximately 84 quintillion molecules that are woven together in incredibly complex strands and ribbons of clumpy gray goo.’
    • ‘In the last decades of the 20c, however, the North American use has become universal, providing the set million, billion, trillion, quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion.’
    1. 1.1mainly British dated A million raised to the power of five (10³⁰).


Late 17th century from French, from million, by substitution of the prefix quinti- ‘five’ (from Latin quintus ‘fifth’) for the initial letters.