[ kwot-oo-awr-di-sil-yuh n, kwot-yoo- ]
/ ˈkwɒt uˌɔr dɪˈsɪl yən, ˈkwɒt yu- /

noun, plural quat·tu·or·de·cil·lions, (as after a numeral) quat·tu·or·de·cil·lion.

a cardinal number represented in the U.S. by 1 followed by 45 zeros, and in Great Britain by 1 followed by 84 zeros.


amounting to one quattuordecillion in number.

Origin of quattuordecillion

1900–05; < Latin quattuordec(im) fourteen (see quatorze) + -illion (as in million)
Related formsquat·tu·or·de·cil·lionth, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019