septendecillion

noun, often attributive sep·ten·de·cil·lion \ (ˌ)sep-ˌten-di-ˈsil-yən \

Definition of septendecillion

US : a number equal to 1 followed by 54 zeros — see Table of Numbers; alsoBritish : a number equal to 1 followed by 102 zeros — see Table of Numbers

Origin and Etymology of septendecillion

Latin septendecim seventeen (from septem seven + decem ten) + English -illion (as in million) — more at ten


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