octillion

American  

[ok-til-yuhn] / ɒkˈtɪl jən /

noun

octillions, plural octillion plural

1. a cardinal number represented in the U.S. by 1 followed by 27 zeros, and in Great Britain by 1 followed by 48 zeros.

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adjective

1. amounting to one octillion in number.

octillion British  

/ ɒkˈtɪljən /

noun

1. (in Britain and Germany) the number represented as one followed by 48 zeros (10 ⁴⁸ )

2. (in the US, Canada, and France) the number represented as one followed by 27 zeros (10 ²⁷ )

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Other Word Forms

Derived Forms

• octillionth
  noun
• octillionth
  adjective

Inflected Forms

Nouns

• octillion
  plural
• octillions
  plural

Etymology

Origin of octillion

1680–90; < French, equivalent to oct- oct- + -illion, as in million

Example Sentences

See Examples For:

octillion octillions

At 30 octillion tons, it packs a bit more oomph than your standard human baby!

From Slate ● Dec. 19, 2012

But the human body has more than a few to spare—altogether, there are about 7 octillion atoms in the average adult.

From "Meltdown" by Deirdre Langeland

She explained that the magnetic field would instantly pull the proton in each of the octillions of hydrogen atoms in my body into alignment.

From The New Yorker ● Jun. 25, 2018

A few quadrillions of eras, a few octillions of cubic leagues, do not hazard the span or make it impatient, They are but parts, any thing is but a part.

From Leaves of Grass by Whitman, Walt

A few quadrillions of eras, a few octillions of cubic leagues, do not hazard the span or make it impatient.

From Whitman A Study by Burroughs, John