English

Definition of gazillion noun from the Oxford Advanced Learner's Dictionary

 

gazillion

 noun
noun
BrE BrE//ɡəˈzɪljən//
 
; NAmE NAmE//ɡəˈzɪljən//
 
(North American English, informal)
 
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a very large number gazillion-dollar houses gazillions of copies Word Origin 1970s: fanciful formation on the pattern of billion and million.
See the Oxford Advanced American Dictionary entry: gazillion