Search Result for "quintillion": 
Wordnet 3.0

NOUN (1)

1. the number that is represented as a one followed by 18 zeros; 



WordNet (r) 3.0 (2006):

quintillion
    n 1: the number that is represented as a one followed by 18
         zeros


The Free On-line Dictionary of Computing (30 December 2018):

quintillion

   10^30 in Europe (this is called a nonillion in the United
   States and Canada).

   10^18 in the United States and Canada (this is called a
   trillion in Europe).

   [Collins dictionary].