Definition of sextillion in English:


Syllabification: sex·til·lion
Pronunciation: /sekˈstilyən

number (plural sextillions or (with numeral) same)

1A thousand raised to the seventh power (1021).
More example sentences
  • And a mouse is miracle enough to stagger sextillions of infidels.
  • A further challenge is the humbling fact that the original cloud is billions of times wider and a hundred sextillion (100 x [10.sup.21]) times less dense than the star the models are trying to simulate.
  • 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 dated , chiefly British A million raised to the sixth power (1036).


late 17th century: from French, from million, by substitution of the prefix sexti- 'six' (from Latin sextus 'sixth') for the initial letters.



Pronunciation: /sekˈstilyənTH/
More example sentences
  • One amu is less than 200 sextillionths of a gram.

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