[oc.til.lion] n [F, fr. MF, fr. oct- octa- + -illion (as in million)] (1690): the figure 1 followed by 27 zeroes: the figure 1,000 followed by eight groups of three zeroes; also, Brit: the figure 1 followed by 48 zeroes: one millon to the eighth power
OCTILLION
Meaning of OCTILLION in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012