decillion Meaning, Definition & Usage

De*cil"lion noun
Etymology
L. decem ten + the ending of million.
Definitions
  1. According to the English notation, a million involved to the tenth power, or a unit with sixty ciphers annexed; according to the French and American notation, a thousand involved to the eleventh power, or a unit with thirty-three ciphers annexed. [See the Note under Numeration.]

Webster 1913