centillion


cen·til·lion

noun, often attributive \sen-ˈtil-yən\

Definition of CENTILLION

US :  a number equal to 1 followed by 303 zeros — see number table; also British :  a number equal to 1 followed by 600 zeros — see number table

Origin of CENTILLION

Latin centum + English -illion (as in million)
First Known Use: 1852

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