tredecillion

[ tree-di-sil-yuhn ]

noun

, plural tre·de·cil·lions, (as after a numeral) tre·de·cil·lion.

1. a cardinal number represented in the U.S. by 1 followed by 42 zeros, and in Great Britain by 1 followed by 78 zeros.

adjective

1. amounting to one tredecillion in number.

Other Words From

• trede·cillionth adjective noun

Word History and Origins

Origin of tredecillion¹

1930–35; < Latin trē ( s ) three + decillion

Example Sentences

That figure, as Live Science reports, is 3.9 tredecillion pounds — or the number 1 followed by 42 zeros.

From Fox News

Unfortunately, the number of molecules in the earth’s atmosphere is perhaps on the order of 100 tredecillion, which is a 1 followed by 44 zeros.

From New York Times

To make perfect weather predictions, we would not only have to account for all of those molecules, but we would also need to solve equations for all 100 tredecillion of them at once.

From New York Times