[ seks-di-sil-yuhn ]

noun,plural sex·de·cil·lions, (as after a numeral) sex·de·cil·lion.
  1. a cardinal number represented in the U.S. by 1 followed by 51 zeros, and in Great Britain by 1 followed by 96 zeros.

  1. amounting to one sexdecillion in number.

Origin of sexdecillion

First recorded in 1935–40; sex- + decillion

Words Nearby sexdecillion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024