quindecillion

quindecillion [kwin-di-sil-yuh n] Word Origin noun, plural quin·de·cil·lions, (as after a numeral) quin·de·cil·lion.

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

adjective

2. 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