/ ˈskwɪljən; NAmE / noun
( informal , often humorous ) a very large number :
a squillion-dollar budget
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WORD ORIGIN
1940s: fanciful formation on the pattern of billion and trillion .
SQUILLION
Meaning of SQUILLION in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005