septendecillion

American  

[sep-ten-di-sil-yuhn] / ˌsɛp tɛn dɪˈsɪl yən /

noun

plural

septendecillions,

plural

septendecillion

1. a cardinal number represented in the U.S. by 1 followed by 54 zeros, and in Great Britain by 1 followed by 102 zeros.

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adjective

1. amounting to one septendecillion in number.

Other Word Forms

• septendecillionth adjective

Etymology

Origin of septendecillion

1935–40; < Latin septendec ( im ) seventeen + -illion, as in million