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sextillion Line breaks: sex¦til|lion
Pronunciation: /sɛksˈtɪljən/

Definition of sextillion in English:

cardinal number (plural sextillions or (with numeral) same)

1A thousand raised to the seventh power (1021).
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.



ordinal number
Example sentences
  • One amu is less than 200 sextillionths of a gram.

Words that rhyme with sextillion

billion, jillion, million, bajillion, modillion, multibillion, multimillion, pillion, septillion, squillion, trillion, zillion

Definition of sextillion in:

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