[ kwin-di-sil-yuh n ]
/ ˌkwɪn dɪˈsɪl yən /

noun, plural quin·de·cil·lions, (as after a numeral) quin·de·cil·lion.

a cardinal number represented in the U.S. by 1 followed by 48 zeros, and in Great Britain by 1 followed by 90 zeros.


amounting to one quindecillion in number.

Origin of quindecillion

1900–05; < Latin quīndec(im) fifteen + -illion (as in million)
Related formsquin·de·cil·lionth, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019