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