— septendecillionth , adj. , n.
/sep'ten di sil"yeuhn/ , n. , pl. septendecillions , ( as after a numeral ) septendecillion , adj.
n.
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.
adj.
2. amounting to one septendecillion in number.
[ 1935-40; septendec ( im ) SEVENTEEN + -illion, as in MILLION ]