decillion

[dih-sil-yuhn]

noun

1. a cardinal number represented in the U.S. by 1 followed by 33 zeros, and in Great Britain by 1 followed by 60 zeros.

adjective

1. amounting to one decillion in number.

decillion

/ dɪˈsɪljən /

noun

1. (in Britain, France, and Germany) the number represented as one followed by 60 zeros (10 ⁶⁰ )

2. (in the US and Canada) the number represented as one followed by 33 zeros (10 ³³ )

Other Word Forms

• decillionth adjective

Word History and Origins

Origin of decillion¹

1835–45; < Latin dec ( em ) ten + -illion, as in million

Word History and Origins

Origin of decillion¹

C19: from Latin decem ten + -illion as in million

Example Sentences

Slow-moving neutrinos pass through matter more easily than fast-moving ones, so only a few, if any, of those 300 decillion neutrinos would interact with your hand at all.

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Meanwhile, the Oxford Dictionary advises that the big number designations which follow quadrillion — quintillion, sextillion, septillion, octillion, nonillion and decillion — are not likely to appear in any financial context too soon.

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This figure is so very large that we shall content ourselves with illustrating a decillion decillion, and for this purpose we avail ourselves of a method employed by Archimedes to illustrate his system of enumeration.

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And just remember the decillions of ergs of energy that the sun is giving off!

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And in our island here, I have five hundred thousand million separate power plants, each generating at the rate of decillions of ergs a second, backing this ship.

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