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)

Derived Forms

• deˈcillionth, adjective

Other Words From

• de·cillionth adjective noun

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.

From New York Times

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.

From Washington Times

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.

From Project Gutenberg

Three million tons of matter go into that colossal furnace every second of time, and out of that comes two and a half decillion ergs of energy.

From Project Gutenberg

This result seems the more probable of the two; for the assertion of countless decillions of personalities all progressing beyond every conceivable limit, on, still on, forever, is incredible.

From Project Gutenberg