duo-decillion

duodecillion

[doo-oh-di-sil-yuhn, dyoo-]
noun, plural duodecillions (as after a numeral) duodecillion.
1.
a cardinal number represented in the U.S. by 1 followed by 39 zeros, and in Great Britain by 1 followed by 72 zeros.
adjective
2.
amounting to one duodecillion in number.

Origin:
1910–15; < Latin duodec(im) twelve + -illion, as in million

duodecillionth, noun, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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