[ seks-di-sil-yuh n ]
/ ˌsɛks dɪˈsɪl yən /

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

a cardinal number represented in the U.S. by 1 followed by 51 zeros, and in Great Britain by 1 followed by 96 zeros.


amounting to one sexdecillion in number.

Origin of sexdecillion

First recorded in 1935–40; sex- + decillion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019